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1. Using the graphical approach, find y[n] = x[n] * h[n] where h[n] = p4[n] and x[n] = (−1)ª u[n]. a) Determine the output y[n] using graphical approach. b) Determine the output y[n] using convolution sum properties (convolution with shifted impulses, commutativity, distributivity, associativity, etc.)

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