Compute the convolution y(n) = x(n) * h(n) of the following pairs of signals.

(a) x(n) = a^xu(n), h(n) = b^n?u(n) when a ? b and when a = b

(b)

? ?

(c) x(n) = u(n + 1) ? u(n - 4) - ?(n - 5), h(n) = [u(n + 2) ? u (n - 3 )] ? (3 - |n|)

(d) x(n) = u(n) ? u (n - 5), h(n) = u (n - 2) ? u(n - 8) + u(n - 11) ? u (n - 17)

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1. n -2,0, 1 2. x(n) = n= -1 0, elsewhere h(n) = 8(n) - 8(n - 1) + 8(n - 4) + 8(n 0. 5) %3D