GO Electrical
0 votes

The $z$-Transform of a sequence $x[n]$ is given as $X(z)=2z+4-4/z+3/z^{2}$. If $y[n]$ is the first difference of $x[n]$, then $Y(z)$ is given by

  1. $2z+2-8/z+7/z^{2}-3/z^{3}$
  2. $-2z+2-6/z+1/z^{2}-3/z^{3}$
  3. $-2z-2+8/z-7/z^{2}+3/z^{3}$
  4. $4z-2-8/z-1/z^{2}+3/z^{3}$
in Signals and Systems by (9.2k points)
recategorized by

Please log in or register to answer this question.

Welcome to GATE Overflow, Electrical, where you can ask questions and receive answers from other members of the community.

847 questions
37 answers
26,042 users