engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Engineering Mathematics Calculus Definite Integrals
The value of \(\rm \int {\frac{1}{4\ +\ x^2}} dx\) is:
1
\(\rm \frac12\tan^{-1}\left(\frac x2\right)+C\)
2
\(\rm \frac14\tan^{-1}\left(\frac x2\right)+C\)
3
\(\rm \frac14\tan^{-1}\left(\frac x4\right)+C\)
4
\(\rm \frac12\tan^{-1}\left(\frac x4\right)+C\)