If x(t) = e-t u(t) and y(t) = e-3tu(t), then y(t) * x(t) will be – McqOptions

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1.	If x(t) = e-t u(t) and y(t) = e-3tu(t), then y(t) * x(t) will be
A.	(e-t – e-3t) u(t)
B.	\(\frac{e^{-3t}-e^{-t}}{2}u(t)\)
C.	\(\frac{e^{-t}-e^{-3t}}{2}u(t)\)
D.	\(\frac{e^{-t}+e^{-3t}}{2}u(t)\)
Answer» D. \(\frac{e^{-t}+e^{-3t}}{2}u(t)\)

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