∫tan-1x21+x2dx = ?

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$(\tan^{- 1} x^{2})$

$\frac{1}{3} {(\tan^{- 1} x)}^{3}$

$\frac{1}{3} {(\tan^{- 1} x)}^{2}$

$(\tan^{- 1} x) 3$

কোনোটিই নয়

2015

লগইন করুন

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

∫tan-1x21+x2dx = ?

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$

$\int \frac{{(\tan^{- 1} x)}^{2}}{1 + x^{2}} d x = ?$