Question: If x1(n) and x2(n) are two real valued sequences of length N, and let x(n) be a complex valued sequence defined as x(n)=x1(n)+jx2(n), 0? n? N-1, then what is the value of x2(n)?
Options
A : frac{x(n)-x*(n)}{2}
B : frac{x(n)+x*(n)}{2}
C : frac{x(n)+x*(n)}{2j}
D : frac{x(n)-x*(n)}{2j}
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