2-arctg-x-arctg-x-2-dx-

Question Number 161178 by amin96 last updated on 13/Dec/21

{\int_{2}}^{\infty} \frac{a r c t g (x)}{a r c t g (\frac{x}{2})} d x = ? ? ?

Answered by MJS_new last updated on 13/Dec/21

1 < \frac{\arctan x}{\arctan \frac{x}{2}} ⩽ 2

\Rightarrow

the integral is + \infty

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