Question: Which of the following is true regarding the number of computations required to compute an N-point DFT?
Options
A : N2 complex multiplications and N(N-1) complex additions
B : N2 complex additions and N(N-1) complex multiplications
C : N2 complex multiplications and N(N+1) complex additions
D : N2 complex additions and N(N+1) complex multiplications
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