For a unit step signal u (t), the response is V1 (t) = (1-e-3t) for t>0. If a signal 3u (t) + δ(t) is applied, the response will be (considering zero initial conditions)?

For a unit step signal u (t), the response is V1 (t) = (1-e-3t) for t

1.	For a unit step signal u (t), the response is V1 (t) = (1-e-3t) for t>0. If a signal 3u (t) + δ(t) is applied, the response will be (considering zero initial conditions)?
A.	(3-6e-3t)u(t)
B.	(3-3e-3t)u(t)
C.	3u(t)
D.	(3+3e-3t)u(t)
Answer» D. (3+3e-3t)u(t)

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For a unit step signal u (t), the response is V1 (t) = (1-e-3t) for t>0. If a signal 3u (t) + δ(t) is applied, the response will be (considering zero initial conditions)?

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