NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 4

Question

For the discrete signal $x[n] = a^{n}u[n],a>0$ the $z$-transform is

• A. $\frac{(z+a)}{z}$
• B. $\frac{(z-a)}{z}$
• C. $\frac{z}{(z-a)}$
• D. $\frac{z}{(z+a)}$