Multiplication theorem: Difference between revisions

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\exp\left(\int_z^{z+1}\log\Gamma(x)\,dx\right) = \sqrt{2\pi} z^ze^{-z}.
</math>
The left side is the '''geometric mean''' of <math>\log\Gamma</math> over the line segment <math>[z,z+1]</math>.
 
==Polygamma function==