GATE ECE 2013 | Question: 8

Question

The impulse response of a system is $h(t) = tu(t).$ For an input $u(t − 1),$ the output is

• A. $\frac{t^{2}}{2}u(t)$
• B. $\frac{t(t-1)}{2}u(t-1)$
• C. $\frac{(t-1)^{2}}{2}u(t-1)$
• D. $\frac{t^{2}-1}{2}u(t-1)$