1.

The waveform shown in the given Figure can be written as

A. v(t) = u(t - 1) + u(t - 2) + u(t - 3) + u(t -4)
B. v(t) = u(t - 1) + u(t - 2) + u(t - 3) + u(t -4) - u(t - 5)
C. v(t) = u(t - 1) + u(t - 2) + u(t - 3) + u(t -4) - 4u(t - 5)
D. v(t) = u(t - 1) + u(t - 2) + u(t - 3) + u(t -4) + 4u(t - 5)
Answer» D. v(t) = u(t - 1) + u(t - 2) + u(t - 3) + u(t -4) + 4u(t - 5)


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