engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Engineering Mathematics Calculus Theorems of Integral Calculus
Find the value of \(\mathop \smallint \limits_0^\infty {e^{ - {x^2}}}.{x^4}dx\) will be
1
\(\frac{{3\sqrt \pi }}{4}\)
2
\(\frac{{\sqrt \pi }}{2}\)
3
\(\frac{{3\sqrt \pi }}{8}\)
4
none of these