Question: = 1. For the following waveform f(t) = [4 cos 50t + 4e-20t]u(t) (a) Find its Laplace transform, F(s). (b) Find the poles and zeros

= 1. For the following waveform f(t) = [4 cos 50t

= 1. For the following waveform f(t) = [4 cos 50t + 4e-20t]u(t) (a) Find its Laplace transform, F(s). (b) Find the poles and zeros of F(s). (c) Plot the pole-zero diagram for F(s). (d) Write F(s) in its partial fraction expansion form

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