3. For the following sequences: x[n]: = COS nn ; n = 0, 1, 2, 3...

   

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3. For the following sequences: x[n]: = COS nn ; n = 0, 1, 2, 3 h[n] = 2"; n = 01, 2, 3 a) Compute output y[n] using 4-point circular convolution. b) Compute output y[n] using DFT. 3. For the following sequences: x[n]: = COS nn ; n = 0, 1, 2, 3 h[n] = 2"; n = 01, 2, 3 a) Compute output y[n] using 4-point circular convolution. b) Compute output y[n] using DFT.