Question: I need this Answer at half time Quickly. please Q3 / calculate the DFT of the following sequence x[n] = u[n] - u[n-4) and check

I need this Answer at half time Quickly. please

I need this Answer at half time Quickly. please Q3 / calculate

Q3 / calculate the DFT of the following sequence x[n] = u[n] - u[n-4) and check the validity of your answer by calculating its IDFT

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