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)?

If x1(n) and x2(n) are two real valued sequences of length N, and let

1.	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)?
A.	$\frac{x(n)-x*(n)}{2}$
B.	$\frac{x(n)+x*(n)}{2}$
C.	$\frac{x(n)+x*(n)}{2j}$
D.	$\frac{x(n)-x*(n)}{2j}$
Answer» E.

1.	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)?
A.	\(\frac{x(n)-x*(n)}{2}\)
B.	\(\frac{x(n)+x*(n)}{2}\)
C.	\(\frac{x(n)+x*(n)}{2j}\)
D.	\(\frac{x(n)-x*(n)}{2j}\)
Answer» E.