prove-that-0-ln-1-cos-x-1-e-x-dx-0-

Question Number 142681 by mnjuly1970 last updated on 03/Jun/21

p r o v e t h a t ::

ϕ := \int_{0}^{\infty} \frac{l n (1 + c o s (x))}{1 + e^{x}} d x = 0

\dots \dots \dots \dots \dots .

Commented by Dwaipayan Shikari last updated on 04/Jun/21

S e e m s t o b e 0 . B u t t h e r e i s l i t t l e s p i k e o n t h e p o s i t i v e h a l f

Commented by Dwaipayan Shikari last updated on 04/Jun/21