Question: What is the value of discrete time signal x(n) at n?0 whose Fourier transform is represented as below?
Options
A : frac{?_c}{pi}.frac{sin ?_c.n}{?_c.n}
B : frac{-?_c}{pi}.frac{sin ?_c.n}{?_c.n}
C : ?_c.pi frac{sin ?_c.n}{?_c.n}
D : None of the mentioned
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