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1. If h1[n] = 3δ[n] + δ[n - 1], h2[n] = 2δ[n] + δ[n - 2] h3[n] = δ[n] - 3δ[n - 1] + 7δ[n - 4] + 6δ[n - 6] h[n] = h1[n] h2[n] + h3[n] h1[n] has value
(A): {6, 18, 7, 4, 0, - 6, 9}
(B): {7, - 1, 3, 1, 7, 0, 6}
(C): {9, - 6, 0, 1, 21, 7, 18, 6}
(D): {9, 0, - 6, 21, 7, 6, 1}
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By: guest on 02 Jun 2017 12.55 am
h1[n] * h2[n] + h3[n] * h1[n] = h1[n] * (h2[n] + h3[n]) Distributive property for convolution, (h2[n] + h3[n]) = 3δ(n) - 3δ(n - 1) + δ(n - 2) + 7δ(n -4) + 6δ(n - 6) then h1(n) * (h2(n) + h3(n)) {9, - 6, 0, 1, 21, 7, 18, 6}.
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