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
DLMF:19.7#Ex16 - MaRDI portal

DLMF:19.7#Ex16 (Q6893)

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DLMF:19.7#Ex16
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    κ = 1 1 + k 2 , superscript 𝜅 1 1 superscript 𝑘 2 {\displaystyle{\displaystyle\kappa^{\prime}=\frac{1}{\sqrt{1+k^{2}}},}}
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    Warning: Falling back to standard tex;
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