0 votes 0 votes Let $x(n)=\left(\frac{1}{2}\right)^{n} u(n), y(n)=x^{2}(n)$ and $\mathrm{Y}\left(e^{j i e}\right)$ be the Fourier transform of $y(n)$. Then $Y\left(e^{j i e}\right)$ is $\frac{1}{4}$ $2$ $4$ $\frac{4}{3}$ Others gate2005-ec + – admin asked Sep 22, 2022 edited Nov 30, 2023 by makhdoom ghaya admin 46.4k points 118 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.