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

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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 x₁(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» C. ( frac{x(n)-x^* (n)}{2j} )

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