ru.wikipedia.org website review
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ru.wikipedia.org is 56% geoptimaliseerd!
SEO Keyword summary for ru.wikipedia.org/wiki/%d0%9f%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4%d1%8f%d1%89%d0%b0%d1%8f_%d1%84%d1%83%d0%bd%d0%ba%d1%86%d0%b8%d1%8f_%d0%bf%d0%be%d1%81%d0%bb%d0%b5%d0%b4%d0%be%d0%b2%d0%b0%d1%82%d0%b5%d0%bb%d1%8c%d0%bd%d0%be%d1%81%d1%82%d0%b8
Keywords are extracted from the main content of your website and are the primary indicator of the words this page could rank for. By frequenty count we expect your focus keyword to be displaystyle
Focus keyword
Short and long tail
Short Tail Keywords displaystyle sum infty |
long Tail Keywords (2 words) bmndisplaystyle bmn bxsum n0infty sum n0infty atsum n0infty m n |
long Tail Keywords (3 words) x2dots tfrac 1ncdot andisplaystyle an bndisplaystyle 1ncdot cncdot xndots tfrac 1ncdot cncdot cncdot xndots x0displaystyle xndots x0displaystyle xneq c2cdot x2dots tfrac |
ru.wikipedia.org On-Page SEO Scan
Descriptive Elements
The <head> element of a ru.wikipedia.org/wiki/%d0%9f%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4%d1%8f%d1%89%d0%b0%d1%8f_%d1%84%d1%83%d0%bd%d0%ba%d1%86%d0%b8%d1%8f_%d0%bf%d0%be%d1%81%d0%bb%d0%b5%d0%b4%d0%be%d0%b2%d0%b0%d1%82%d0%b5%d0%bb%d1%8c%d0%bd%d0%be%d1%81%d1%82%d0%b8 page is used to inform the browser and visitors of the page about the general meta information. The head section of the page is where we place the page title, the definition of the HTML version used, the language of in which the page is written. In the head section we can also include JavaScript and CSS (markup) files for the page.
Page title
Title length
mdash
Meta description
Meta description legth
Meta description SEO
No meta relevance in the description detected !
Content SEO
Number of Words
Spam detected?
Headings
Heading distribution
Heading normalisation
Heading SEO impact
No headings were found !
Emphasis (bold and italic)
Emphasis SEO impact
Images
Number of images
Images dimensions
Image alt descriptions
Images SEO impact
displaystyle ldots atsum infty antna dotsb frac antnna tfrac sum nnxn axsum anxn bxsum bnxn cnsum nakbnk axbxsum cnxn anfrac xnn bnfrac axcdot cnfrac choose kakbnk bmn cdots dots bmnxn nfrac nmn binom axa cdot xtfrac ncdot ancdot xndots cxc cncdot xneq axecx mathbb xjpjj quad limits pssum pksk mxp sleq kpksk kpk lim sto psinfty mxinfty qkmathbb xksum pjquad qssum qksk qsfrac psqs sqs mxx pkp mxm dxp anns zeta ssum alpha beta bnns scdot cnns dmid nadbnd wikimedia foundation powered mediawiki
Mobile SEO ru.wikipedia.org/wiki/%d0%9f%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4%d1%8f%d1%89%d0%b0%d1%8f_%d1%84%d1%83%d0%bd%d0%ba%d1%86%d0%b8%d1%8f_%d0%bf%d0%be%d1%81%d0%bb%d0%b5%d0%b4%d0%be%d0%b2%d0%b0%d1%82%d0%b5%d0%bb%d1%8c%d0%bd%d0%be%d1%81%d1%82%d0%b8
Mobile rendering
Mobile optimizations
Responsive design detected (mobile css)
No flash detected !
Mobile improvement
Marketing / lead generation for ru.wikipedia.org/wiki/%d0%9f%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4%d1%8f%d1%89%d0%b0%d1%8f_%d1%84%d1%83%d0%bd%d0%ba%d1%86%d0%b8%d1%8f_%d0%bf%d0%be%d1%81%d0%bb%d0%b5%d0%b4%d0%be%d0%b2%d0%b0%d1%82%d0%b5%d0%bb%d1%8c%d0%bd%d0%be%d1%81%d1%82%d0%b8
Social Media
Facebook shares | Facebook likes | ||
Facebook comments | Tweets | ||
Google +1 |
Conversion form
Search form
Analytics
Online presence
SERP Preview
SERP Title
The title is trucated
SERP Link
SERP Description
Domain Level SEO
Domain name
16 characters long
Domain name SEO Impact
Path name
No contextual keywords found in path
Structured data
Publisher Markup
Other Structured data
Website configuration
Correct processing of non-existing pages?
Favicon icon found?
Robots.txt found?
Sitemap found?
Navigation and internal links
Navigation
Url seperator
Human readable urls
Number of links
Link SEO Impact
creativecommons.org creative commons cc bysa
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ru.m.wikipedia.org |
w httpsruwikipediaorgwindexphptitleoldid127216041
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wiki 1750
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wikimediafoundation.org wikimedia foundation inc
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Links to external pages
Outloing links
kvant.mccme.ru
www.mccme.ru
school-collection.edu.ru
www.genfunc.ru
www.wikidata.org
ar.wikipedia.org
ca.wikipedia.org
cs.wikipedia.org
de.wikipedia.org
en.wikipedia.org
es.wikipedia.org
fa.wikipedia.org
fr.wikipedia.org
he.wikipedia.org
it.wikipedia.org
ja.wikipedia.org
ko.wikipedia.org
nl.wikipedia.org
pl.wikipedia.org
pt.wikipedia.org
ro.wikipedia.org
sk.wikipedia.org
sq.wikipedia.org
sv.wikipedia.org
th.wikipedia.org
tr.wikipedia.org
uk.wikipedia.org
zh.wikipedia.org
www.wikidata.org
foundation.wikimedia.org
developer.wikimedia.org
foundation.wikimedia.org
www.wikimediafoundation.org
SEO Advice for ru.wikipedia.org
In this section we provide pointers on how you can to optimize your web page so it can be found more easily by search engines and how to make it rank higher by optimizing the content of the page itself. For each of the individual criteria the maximum score is 100%. A score below 70% is considered to be indication that the page is not complying with general SEO standards and should be evaluated and/or fixed. Not every factor is weighted the same and some are not as important as others. Relatively unimportant factors like meta keywords are not included in the overall score.
Item | Factor | Pointers | |
---|---|---|---|
PageTitle | 100% | Far too many sites lack a page title. A page title is the first thing that shows in the search results so always use the title element. | |
Title relevance | 0% | A title should reflect the contents of a site. This site has a 0 % match | |
Title Length | 50% | Limit your title to anywhere between 40 and 70 characters. Your title was 104 characters long | |
Meta Description | 0% | A meta description is the second element that shows in the search results so always use the meta description. | |
Meta description length | 0% | The meta description should be between 145 and 160 characters. This meta description is 1 characters long. | |
Meta description relevance | 0% | Meta Description should reflect the contents of a site. This site has a 0 % match | |
Number of internal links | 100% | Linking to internal pages makes pages easier to find for search engines. Try to keep the number of links on your page roughly below 100. There are 69 internal links on this page. | |
Folder structure | 100% | We found a folder structure in the links on your page. A good folder structure makes a site easier to navigate. We found 5 level 1 folders and 8 folders above or in the first level of navigation. | |
Headings | 0% | Headers should reflect the contents of a site. This site has a 0 % match | |
Links | 8% | Link anchors should to some degree reflect the contents of a site. This site has a 4 % match | |
Image alt tags | 62% | Image alt tags should to some degree reflect the contents of a site. This site has a 22 % match | |
Html ratio | 30% | Try to keep the html / text ratio as low as possible. More html means longer loading times. Layout should be handled in a serpate css file | |
Image descriptions | 99% | 98.795180722892 % of all images have been described via the "alt" attribute. Describing images with relevant text may lead to better results in the search engines. | |
Page errors | 100% | Pages with no errors display significantly faster on most browsers. We detected 0 errors and warnings | |
WordCount | 60% | An ideal page contains between 400 and 600 words.This page contains 915 words | |
Server response time | 30% | A slow server slows down a website. This server responds 198.91% slower the average | |
Gzip compression | 30% | This site does not use Gzip compression. Pages may not display as fast as they could | |
Keywords in Domainname | 100% | There are important keywords in your domain name | |
Keywords in domain path | 20% | There are no important keywords in the domain path | |
Structured Data | 100% | Structured data makes it easier for search engines to index your website | |
Inline css | 0% | Do not use inline css declarations. Inline css will slow down the rendering of the website. We detected 164 inline style declarations ( <a style="color:green">) with a size of 5725 bytes | |
Excessive use of the same words | 100% | There is no indication that there are one or more keywords that are used excessively. | |
Frames or iframes | 100% | Perfect, detected not (i)frames on your webpagina | |
Flash | 100% | Perfect, we detected no flash objects on your page | |
Css | 30% | We detected too much (4) CSS files on your page. Css files block the loading of a webpage. | |
Javascript | 100% | Perfect, we did not detect too many blocking JavaScript files | |
Mobile Website | 100% | Perfect, we found a responsive design for mobile users | |
Most important heading | 100% | Perfect, we detected a correct use of the most important (h1) heading! | |
Normalized headings | 100% | Perfect, we found a correct use of normalized headings ! |
How would you like to have SEO advice for all your pages ?? Start your SEO Dashboard and optimize your website!
ru.wikipedia.org images and descriptions
71 images found at ru.wikipedia.org Images can improve the user experience for a website by making a pag visually appealing Images can also add extra keyword relevance to a webpage by using alt tags. Images can also slow down a website. If the width and height for a picture is not specified for a browser know in advance how large the image is. A browser must first load the picture and see before it knows how much space should be on the page. Upon reservation In the meantime, the browser can do little but wait. When the height and width for the plate are given in the HTML code, a browser just continues to build for a page while the images load in the background.
https://wikimedia.org/api/rest_v1/media/math/render/svg/339d461b497fb8f8670bb29308fe09f0e7bfd34a height: height attribute not set width: width attribute not set description: {\displaystyle \{a_{n}\}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/aa7806dc929d6f7b54b120126f6f650edf1b961f height: height attribute not set width: width attribute not set description: {\displaystyle a(t)=\sum _{n=0}^{\infty }a_{n}t^{n}=a_{0}+a_{1}t+a_{2}t^{2}+a_{3}t^{3}+\dotsb } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/0c0905fbce73d8bde912fb882c351e336ab56cca height: height attribute not set width: width attribute not set description: {\displaystyle a(t)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/790f9209748c2dca7ed7b81932c37c02af1dbc31 height: height attribute not set width: width attribute not set description: {\displaystyle a_{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/c285573bc8c25cc0885262f8515971e5429e1d3d height: height attribute not set width: width attribute not set description: {\displaystyle \sum _{n=0}^{\infty }(3^{n})^{n}x^{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/9170db3c7a2ab4421d208d00f60eefd71574bb60 height: height attribute not set width: width attribute not set description: {\displaystyle a(x)=\sum _{n=0}^{\infty }a_{n}x^{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/3e220c1fc0bbb6f65ecf1f9432ac343047782318 height: height attribute not set width: width attribute not set description: {\displaystyle b(x)=\sum _{n=0}^{\infty }b_{n}x^{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/2c4b3099ea12489ebb206082c981d3bf6763bba6 height: height attribute not set width: width attribute not set description: {\displaystyle c_{n}=\sum _{k=0}^{n}a_{k}b_{n-k}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/9fbcac5afc4bd0f0a4a1864fb6d04990f7895e3a height: height attribute not set width: width attribute not set description: {\displaystyle a(x)b(x)=\sum _{n=0}^{\infty }c_{n}x^{n}.} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/86bcf249cc52e3ee710bcefdcd430342946a22b9 height: height attribute not set width: width attribute not set description: {\displaystyle a(x)=\sum _{n=0}^{\infty }a_{n}{\frac {x^{n}}{n!}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/90767af6e6d4b03eda3e5fb295cc5e181c4604f5 height: height attribute not set width: width attribute not set description: {\displaystyle b(x)=\sum _{n=0}^{\infty }b_{n}{\frac {x^{n}}{n!}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/1a61b2b06ceb8b8d872fd940f9f40a123fb5fee1 height: height attribute not set width: width attribute not set description: {\displaystyle a(x)\cdot b(x)=\sum _{n=0}^{\infty }c_{n}{\frac {x^{n}}{n!}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/ff5a19c0ffcddcf57c86cdd9f2ea4b879fdccc7d height: height attribute not set width: width attribute not set description: {\displaystyle c_{n}=\sum _{k=0}^{n}{n \choose k}a_{k}b_{n-k}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/e7683a70991a12e36b89eb071a5e98bf2b1e2e7e height: height attribute not set width: width attribute not set description: {\displaystyle b_{m}^{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/a4dd0fdfac46ed29fb78fc544db836af68c1c36d height: height attribute not set width: width attribute not set description: {\displaystyle n=k_{1}+k_{2}+\cdots +k_{m}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/5705e88792c57db898d1aa3c50855b7c1a56ff67 height: height attribute not set width: width attribute not set description: {\displaystyle \{k_{i}\}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/b55471021c96e4a4f6cef40ce0a0730790c8f46b height: height attribute not set width: width attribute not set description: {\displaystyle \{1,2,\dots ,m\}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/f29138ed3ad54ffce527daccadc49c520459b0b0 height: height attribute not set width: width attribute not set description: {\displaystyle k_{i}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/fa8b23b3e477587ed87feb092bd42d236d7a6222 height: height attribute not set width: width attribute not set description: {\displaystyle b_{m}^{0},b_{m}^{1},\dots } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/b0f11c9a029c82fcfe9144e92a76d680c7ab5ce1 height: height attribute not set width: width attribute not set description: {\displaystyle \sum _{n=0}^{\infty }b_{m}^{n}x^{n}=(1+x+x^{2}+\cdots )^{m}=(1-x)^{-m}.} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/150d38e238991bc4d0689ffc9d2a852547d2658d height: height attribute not set width: width attribute not set description: {\displaystyle x^{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/6869440a074ac326935c5ee55e577f950e5fc070 height: height attribute not set width: width attribute not set description: {\displaystyle (1-x)^{-m}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/ae11ef62dfcaa1dbe0b6266ed2e41f4c4ad34aaa height: height attribute not set width: width attribute not set description: {\displaystyle b_{m}^{n}=(-1)^{n}{-m \choose n}={\frac {m(m+1)\cdots (m+n-1)}{n!}}={m+n-1 \choose n}.} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/8b98091026e0b10ee08a7c77e229c649f81b0a05 height: height attribute not set width: width attribute not set description: {\displaystyle \{1,\dots ,n\}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/9b7e944bcb1be88e9a6a940638f2adce0ec4211a height: height attribute not set width: width attribute not set description: {\displaystyle c_{n}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/d808f88649a958e2c809e008b8ef44680f14e2bf height: height attribute not set width: width attribute not set description: {\displaystyle a_{n}=2^{\binom {n}{2}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/aae21c575c1dd3b0fc27c16c377199411978ffb6 height: height attribute not set width: width attribute not set description: {\displaystyle 1,\ 2,\ 8,\ 64,\ 1024,\ 32768,\ 2097152,\ \dots } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/e5783229b38268bdec2fe9f158c6914f4ab11101 height: height attribute not set width: width attribute not set description: {\displaystyle a(x)=a_{1}\cdot x+{\tfrac {1}{2}}\cdot a_{2}\cdot x^{2}+\dots +{\tfrac {1}{n!}}\cdot a_{n}\cdot x^{n}+\dots } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/035f6a4bf9d95bbcc4f4f53137e349978eb6e389 height: height attribute not set width: width attribute not set description: {\displaystyle c(x)=c_{1}\cdot x+{\tfrac {1}{2}}\cdot c_{2}\cdot x^{2}+\dots +{\tfrac {1}{n!}}\cdot c_{n}\cdot x^{n}+\dots } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/35a455db7b2aab1b0e72ccbc7385e4424e2372e5 height: height attribute not set width: width attribute not set description: {\displaystyle x\neq 0} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/bbbbb1cdbc52130342f0d94451af2f62bf451e29 height: height attribute not set width: width attribute not set description: {\displaystyle 1+a(x)=e^{c(x)},} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/4cccdef6df3b2f92106ea96e4706a5fb76553fa5 height: height attribute not set width: width attribute not set description: {\displaystyle 1,\ 1,\ 4,\ 38,\ 728,\ 26704,\ 1866256,\ 251548592,\ 66296291072,\ \dots } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/68baa052181f707c662844a465bfeeb135e82bab height: height attribute not set width: width attribute not set description: {\displaystyle x} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/fd43232c590ea87ad0dcb1d390f00251ca50f39f height: height attribute not set width: width attribute not set description: {\displaystyle \mathbb {p} (x=j)=p_{j},\;j=0,1,...;\quad \sum \limits _{j=0}^{\infty }p_{j}=1} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/cfe15f25883be76bebfa23a570272e04aca8ad3a height: height attribute not set width: width attribute not set description: {\displaystyle p(s)=\sum _{k=0}^{\infty }\;p_{k}s^{k},} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/ce30edda666becbc81b6d7501b079d25533b2a91 height: height attribute not set width: width attribute not set description: {\displaystyle m[x]=p'(1)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/e1591b3a4f55dddc547b00738b4e9d918179ff6f height: height attribute not set width: width attribute not set description: {\displaystyle p'(s)=\sum _{k=1}^{\infty }{kp_{k}s^{k-1}}.} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/bac386d8f227fb823cede9b3e33d706cad3ed306 height: height attribute not set width: width attribute not set description: {\displaystyle s=1} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/234036e70ae830a2711d38c2599b8ed37b24f6cb height: height attribute not set width: width attribute not set description: {\displaystyle p'(1)=\sum _{k=1}^{\infty }{kp_{k}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/bbb38d49ee6e58e09216938fee0fc012cf74acbe height: height attribute not set width: width attribute not set description: {\displaystyle \lim _{s\to 1}p'(s)=\infty } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/8c518b607b588af4022fd7a010fab539599ce3fa height: height attribute not set width: width attribute not set description: {\displaystyle p'(1)=m[x]=\infty } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/bc8308a9e340d43db9aaacaa18852a7a132bc82d height: height attribute not set width: width attribute not set description: {\displaystyle \{q_{k}\}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/585bb92b67927ef3528c24a6a8566ef8df56c1a9 height: height attribute not set width: width attribute not set description: {\displaystyle q_{k}=\mathbb {p} (x>k)=\sum _{j=k+1}^{\infty }{p_{j}};\quad q(s)=\sum _{k=0}^{\infty }\;q_{k}s^{k}.} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/7927ac2ad8a94b105f536045494e75f3193930ec height: height attribute not set width: width attribute not set description: {\displaystyle p(s)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/e9f2583c5104c269c01952dc985a4e041a237ba0 height: height attribute not set width: width attribute not set description: {\displaystyle q(s)={\frac {1-p(s)}{1-s}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/98b173918c6e84373696fc154826d16dc5f230bf height: height attribute not set width: width attribute not set description: {\displaystyle |s|<1} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/6923a63f286d8200cf64cb7ea51857cf4b364278 height: height attribute not set width: width attribute not set description: {\displaystyle m[x]=p'(1)=q(1)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/f0689df57f01c88a314de4f1b9ddfcf724c9aa3d height: height attribute not set width: width attribute not set description: {\displaystyle p'(s)=\sum _{k=1}^{\infty }{kp_{k}s^{k-1}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/b0f561009076e7e18668c74cc3d4142adad7a8bb height: height attribute not set width: width attribute not set description: {\displaystyle p'(s)=q(s)-(1-s)q'(s)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/aeb5e1e74bcc3cd0ed5fb530c7da71ea6649ce6d height: height attribute not set width: width attribute not set description: {\displaystyle m[x(x-1)]=\sum {k(k-1)p_{k}}=p''(1)=2q'(1)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/fa482bb7dcd759ae8e7e38fa47bea024feb50892 height: height attribute not set width: width attribute not set description: {\displaystyle d[x]} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/5feafe81b4c40e4badf9b77886a9391d159f629d height: height attribute not set width: width attribute not set description: {\displaystyle m[x]-m^{2}[x]} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/7bfffe5693487c47103f352f67b836f9191eb585 height: height attribute not set width: width attribute not set description: {\displaystyle d[x]=p''(1)+p'(1)-p'^{2}(1)=2q'(1)+q(1)-q^{2}(1)} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/3877d157c9aad513362b4867ec3ae4a1aa3551bd height: height attribute not set width: width attribute not set description: {\displaystyle \lim _{s\to 1}p''(s)=\infty } |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/ce57189d96c1b90a924051be518643d2722414e0 height: height attribute not set width: width attribute not set description: {\displaystyle \sum _{n=1}^{\infty }{\frac {a_{n}}{n^{s}}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/d93c8e1855ade032db5645a862e1c82ff1c0e6d8 height: height attribute not set width: width attribute not set description: {\displaystyle \zeta (s)=\sum _{n=1}^{\infty }{\frac {1}{n^{s}}}.} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/972a50af9e75285fb16a904089bad38cadf4d6f2 height: height attribute not set width: width attribute not set description: {\displaystyle \alpha (s)=\sum _{n=1}^{\infty }{\frac {a_{n}}{n^{s}}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/4988ad06d76219cededbde18b0caac4ce0a46e4d height: height attribute not set width: width attribute not set description: {\displaystyle \beta (s)=\sum _{n=1}^{\infty }{\frac {b_{n}}{n^{s}}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/04af0aa752c335133675e8db7e8b85c313131638 height: height attribute not set width: width attribute not set description: {\displaystyle \alpha (s)\cdot \beta (s)=\sum _{n=0}^{\infty }{\frac {c_{n}}{n^{s}}}} |
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https://wikimedia.org/api/rest_v1/media/math/render/svg/6ce809f423cb1617936d80ec5d0ddb8099b28b5e height: height attribute not set width: width attribute not set description: {\displaystyle c_{n}=\sum _{d\mid n}a_{d}b_{n/d}} |
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https://login.wikimedia.org/wiki/special:centralautologin/start?type=1x1 height: 1 width: 1 description: no alt description found |
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http://ru.wikipedia.org/static/images/footer/wikimedia-button.png height: 31 width: 88 description: wikimedia foundation |
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http://ru.wikipedia.org/static/images/footer/poweredby_mediawiki_88x31.png height: 31 width: 88 description: powered by mediawiki |
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