Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
Question 14725. - MaRDI portal

Deprecated: Use of MediaWiki\Skin\SkinTemplate::injectLegacyMenusIntoPersonalTools was deprecated in Please make sure Skin option menus contains `user-menu` (and possibly `notifications`, `user-interface-preferences`, `user-page`) 1.46. [Called from MediaWiki\Skin\SkinTemplate::getPortletsTemplateData in /var/www/html/w/includes/Skin/SkinTemplate.php at line 691] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of MediaWiki\Skin\BaseTemplate::getPersonalTools was deprecated in 1.46 Call $this->getSkin()->getPersonalToolsForMakeListItem instead (T422975). [Called from Skins\Chameleon\Components\NavbarHorizontal\PersonalTools::getHtml in /var/www/html/w/skins/chameleon/src/Components/NavbarHorizontal/PersonalTools.php at line 66] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of QuickTemplate::(get/html/text/haveData) with parameter `personal_urls` was deprecated in MediaWiki Use content_navigation instead. [Called from MediaWiki\Skin\QuickTemplate::get in /var/www/html/w/includes/Skin/QuickTemplate.php at line 131] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Question 14725. (Q1506977)

From MaRDI portal





scientific article; zbMATH DE number 2659475
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Question 14725.
scientific article; zbMATH DE number 2659475

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    Question 14725. (English)
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    1902
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    Es sei \(P\) eine Primzahl, zu der ein periodischer Dezimalbruch mit einer geraden Anzahl \(p\) von Ziffern gehört; \(H_1\) die von der ersten Hälfte der Ziffern der Periode gebildete Zahl, \(H_2\) die von der zweiten Hälfte. Dann ist \[ P-1= \frac{H_2+1}{H_1+1}= \frac{10^{\frac 12p}-H_1}{10^{\frac 12p}-H_2}\,, \quad \frac{H_1+H_2+2}{H_2-H_1}=\frac{P}{P-2}\,, \] \[ H_2(P-1)=(P-2)10^{\frac 12p}+H_1, \quad 10^{\frac 12p}-H_1\equiv 0 \; (\text{mod}.\,P), \] \[ H_1+H_2+2\equiv 0 \; (\text{mod}.\,P) \equiv 10^{\frac 12p}+1, P(H_1+1)=10^{\frac 12p}+1. \] Beweise für diese Relationen werden von \textit{Aletrop, H. W. Curjel, A. M. Nesbitt} und \textit{Christie} selbst gegeben.
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    decimal expansion
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