Poisson Integral April 19, 2021 Tolaso Let . Prove that They might interest you:A squared trigamma seriesAn arcosine integralA trigonometric sumZero determinantA contour integralSigma divisor sumA coth seriesMaximum value of functionRadical limit
. Prove that![\[\int_{0}^{\pi} \frac{\ln \left ( 1-2a\cos x + a^2 \right )}{1-2a \cos x+ a^2} \, \mathrm{d}x = \frac{2\pi \ln \left ( 1- a^2 \right )}{1-a^2}\]](https://www.math.tolaso.com.gr/wp-content/ql-cache/quicklatex.com-aaa6d185130013afc4ac3d8f8cacba39_l3.png "Rendered by QuickLaTeX.com")