Let \(x\left( n \right)={{\left( \frac{1}{2} \right)}^{n}}u\left( n \right),~y\left( n \right)={{x}^{2}}n\) and Y(ejω) to be the Fourier transform of y(n) then Y(ej0)

Let \(x\left( n \right)={{\left( \frac{1}{2} \right)}^{n}}u\left( n \r

1.	Let \(x\left( n \right)={{\left( \frac{1}{2} \right)}^{n}}u\left( n \right),~y\left( n \right)={{x}^{2}}n\) and Y(ejω) to be the Fourier transform of y(n) then Y(ej0)
A.	\(\frac{1}{4}\)
B.	2
C.	4
D.	\(\frac{4}{3}\)
Answer» E.