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need help, thanks 2. (Marks 10) Compute the DTIT of the following signals and sketch X(). a. x[n]=[1/41/41/4,1/4] b. x[n]=[121] c. x[n]=2(6y)nu[n] 3. (Marks 10)

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2. (Marks 10) Compute the DTIT of the following signals and sketch X(). a. x[n]=[1/41/41/4,1/4] b. x[n]=[121] c. x[n]=2(6y)nu[n] 3. (Marks 10) Compute the DFT of the signals given in part a) \& part b) of Question 2 and compare your answers

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