The response h(t) of a linear time invariant system to an impulse δ (t) , under initially relaxed condition is h(t) = e-t + e-2t . The response of this system for a unit step input u(t) is

Question

The response h(t) of a linear time invariant system to an impulse δ (t) , under initially relaxed condition is h(t)  = e-t + e-2t . The response of this system for a unit step input u(t) is

Examsnet · Accepted Answer

Correct Answer is : (1.5 – e-t – 0.5e-2t) u (t)

GATE Electrical Engineering (EE) 2011 Solved Paper