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
Lösung zu 427 (\textit{G. Pólya}). - 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

Lösung zu 427 (\textit{G. Pólya}). (Q1476738)

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scientific article; zbMATH DE number 2621335
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English
Lösung zu 427 (\textit{G. Pólya}).
scientific article; zbMATH DE number 2621335

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    Lösung zu 427 (\textit{G. Pólya}). (English)
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    1913
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    ``Sei \(f(x)\) stetig und wesentlich positiv, d. h. ihr Minimum sei auch positiv; man beweise, daß in den bekannten Ungleichungen, wo \(\exp\alpha = e^\alpha\), \[ \frac{b-a}{\int^b_a \frac{dx}{f(x)}}\leqq \exp\frac{1}{b-a} \int^a_b \log f(x)dx\leqq\frac{1}{b-a}\int^a_b f(x)dx \] der Fall der Gleichheit dann und nur dann eintritt, wenn \(f(x)\) eine Konstante ist. '' .
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