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4. Write Matlab code to plot the following functions and find their 128-point DFT, multiply these DFT outputs and find the Inverse DFT of

4. Write Matlab code to plot the following functions and find their 128-point DFT, multiply these DFT outputs and find the Inverse DFT of the result x[n] = 28[n] + 38[n h[n] 18[n] +3[n = 1] + 28[n-3] 1] +58[n-2]

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