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UGC-NET | UGC-NET CS 2017 Nov – III | Question 64

A 4×4 DFT matrix is given by :

(j2 = −1)
Where values of x and y are _____, _____ respectively.

(A) 1, −1
(B) −1, 1
(C) −j, j
(D) j, −j

Answer: (D)
Explanation:
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