defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Integral Calculus Definite Integrals

\(\rm \int_{-\infty }^{\infty }\frac{dx}{2+x^{2}}\) is ?

1
\(\frac{\pi}{2}\)
2
\(\frac{\pi}{4}\)
3
\(\frac{\pi}{\sqrt{2}}\)
4
0
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