

MCQOPTIONS
Saved Bookmarks
1. |
The z-transform of cos( ( frac{ }{3} ) n) u[n] is __________ |
A. | ( frac{z}{2} frac{(2z-1)}{(z^2-z+1)} ), 0<|z|<1 |
B. | ( frac{z}{2} frac{(2z-1)}{(z^2-z+1)} ), |z|>1 |
C. | ( frac{z}{2} frac{(1-2z)}{(z^2-z+1)} ), 0<|z|<1 |
D. | ( frac{z}{2} frac{(1-2z)}{(z^2-z+1)} ), |z|>1 |
Answer» C. ( frac{z}{2} frac{(1-2z)}{(z^2-z+1)} ), 0<|z|<1 | |