EC > GATE 2019 > Laplace Transform
Let Y(s) be the unit-step response of a causal system having a transfer function G(s)=(3-s)/((s+1)(s+3)), that is, Y(s)=G(s)/s. The forced response of the system is
A
u(t)-2e-tu(t)+e-3tu(t)
B
2u(t)-2e-tu(t)+e-3tu(t)
C
2u(t)
D
u(t)

Correct : d

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forced response EC GATE 2019 unit step response causal system transfer function GATE EC 2019 Laplace transform EC exponential decay EC system response EC GATE electrical engineering u(t) EC

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