engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Signals and Systems Laplace Transform
If the Laplace transform of x(t) is \(X\left( s \right) = \;\mathop \smallint \limits_{ - \infty }^s \left( {\frac{4}{{{s^2} + 1}}} \right)ds\) then x(0) is ______.
1
2
2
0
3
-2
4
3