Question: Which of the following is true regarding the number of computations required to compute DFT at any one value of ‘k’?

Options

A : 4N-2 real multiplications and 4N real additions

B : 4N real multiplications and 4N-4 real additions

C : 4N-2 real multiplications and 4N+2 real additions

D : 4N real multiplications and 4N-2 real additions

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