engineering recuitment BEL Probationary Engineers Mock Test 2025 Signals and Systems Introduction To Signals and Systems
Consider a signal x(t) = 2r(t) – 2r(t - 2) – 4u(t - 4), evaluate \(\mathop \smallint \limits_{ - \infty }^\infty x\left( t \right)\delta \left( {t - 3} \right)\)
1
3
2
4
3
0
4
-4