prove-that-m-n-1-1-n-1-m-2-n-2-pi-2-24-piln-2-8-

Question Number 141134 by mnjuly1970 last updated on 16/May/21

p r o v e t h a t ::

Φ := \underset{m, n = 1}{\sum^{\infty}} \frac{{(- 1)}^{n - 1}}{m^{2} + n^{2}} = \frac{π^{2}}{24} + \frac{π l n (2)}{8}

Answered by mindispower last updated on 17/May/21

t r i e d b u t n o t s o l v e d