Question: If X(k) is the DFT of x(n) which is defined as x(n)=x1(n)+jx2(n), 0? n? N-1, then what is the DFT of x1(n)?
Options
A : frac{1}{2} [X*(k)+X*(N-k)]
B : frac{1}{2} [X*(k)-X*(N-k)]
C : frac{1}{2j} [X*(k)-X*(N-k)]
D : frac{1}{2j} [X*(k)+X*(N-k)]
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