Question

choose the correct option B. FFT may be used to calculate
1) DFT
2) IDFT
3) Direct Z transform
4) In direct Z transform
a. 1.2 and 3 are correct
b. 1 and 2 are correct
c. I and 3 are correct
d. All the four are correct​

Answer 1

Answer:

IDFT is correct

Explanation:

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