MCQ
$\int\limits_0^{\sqrt 3 } {\,\,\frac{1}{2}\,} \,\frac{d}{{dx}}\,\left( {{{\tan }^{ - 1}}\frac{{2x}}{{1 - {x^2}}}} \right)dx$ equals
- ✓$\frac{\pi }{3}\,$
- B$ - \,\,\frac{\pi }{6}\,$
- C$\,\frac{\pi }{2}\,$
- D$\,\frac{\pi }{4}\,$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$f(x)=\sin ^{-1}\left(\frac{3 x^{2}+x-1}{(x-1)^{2}}\right)+\cos ^{-1}\left(\frac{x-1}{x+1}\right)$ is :
$(S1): A ^{13} B ^{26}- B ^{26} A ^{13}$ is symmetric
$(S2):A ^{26} C ^{13}- C ^{13} A ^{26}$ is symmetric
Then,