I-2-0-tan-1-x-x-2-dx-I-3-0-tan-1-x-x-3-dx-I-4-0-tan-1-x-x-4-dx-

Question Number 182291 by Frix last updated on 07/Dec/22

I_{2} = \underset{0}{\int^{\infty}} {(\frac{\tan^{- 1} x}{x})}^{2} d x = ? ?

I_{3} = \underset{0}{\int^{\infty}} {(\frac{\tan^{- 1} x}{x})}^{3} d x = ? ? ?

I_{4} = \underset{0}{\int^{\infty}} {(\frac{\tan^{- 1} x}{x})}^{4} d x = ? ? ? ?