Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Integral Calculus Indefinite Integrals
Evaluate \(\rm \int\frac{1}{(e^x+e^{-x})^2}dx\)
1
\(\rm -\frac{1}{(e^{2x}+1)}+c\)
2
\(\rm \frac{1}{2(e^x+e^{-x})}+c\)
3
\(\rm \frac{1}{(e^x+e^{-x})}+c\)
4
More than one of the above
5
None of the above