calculate-I-a-1-a-a-ln-x-1-x-2-dx-with-a-gt-0-2-calculate-0-ln-x-1-x-2-dx-

Question Number 34662 by math khazana by abdo last updated on 09/May/18

c a l c u l a t e I (a) = \int_{\frac{1}{a}}^{a} \frac{l n (x)}{1 + x^{2}} d x w i t h a > 0

2) c a l c u l a t e \int_{0}^{+ \infty} \frac{l n (x)}{1 + x^{2}} d x .