0 votes 0 votes Two causal discrete-time signals $x[n]$ and $y[n]$ are related as $y[n] = \displaystyle{}\sum _{m=0}^{n} x[m]$. If the $z$-transform of $y[n]$ is $\dfrac{2}{z(z-1)^{2}},$ the value of $x[2]$ is _______. Continuous-time Signals gate2015-ec-2 numerical-answers continuous-time-signals discrete-time-signals + – Milicevic3306 asked Mar 27, 2018 retagged Nov 18, 2020 by soujanyareddy13 Milicevic3306 16.0k points 103 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.