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Question Number 197476 by universe last updated on 19/Sep/23

find the sum

\frac{1}{x + 1} + \frac{2}{x^{2} + 1} + \frac{4}{x^{4} + 1} + \dots \dots \dots + \frac{2^{n}}{x^{2^{n}} + 1} = ? ?

Commented by witcher3 last updated on 19/Sep/23

sir You poste

sum interesting Quation

\int_{0}^{\frac{π}{2}} \frac{\ln (\cos (x))}{x^{2} + 1} dx \dots are You sur for the expression ?

Commented by universe last updated on 20/Sep/23

n o s i r t h i s i s n o t m y q u e s t i o n

Commented by universe last updated on 20/Sep/23

Commented by universe last updated on 20/Sep/23

a r e y o u t e l l i n g m e a b o u t t h i s q u e s t i o n s i r ?

Commented by witcher3 last updated on 20/Sep/23

yes thank You

Commented by universe last updated on 20/Sep/23

b u t s i r i k n o w s o l u t i o n o f t h i s q u e s t i o n

Commented by universe last updated on 20/Sep/23

Answered by shmmmmm last updated on 19/Sep/23

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