Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Integral Calculus Definite Integrals
\(\rm \displaystyle\int_0^1 {1\over {1 + x^2}}dx =\)
1
\(\rm {\pi\over 4}\)
2
0
3
\(\rm {\pi\over 2}\)
4
More than one of the above
5
None of the above