MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the Z-transform of cos n u(n). |
| A. | ( frac{z(z+cos u2061 )}{z^2-2z cos u2061 +1} ) |
| B. | ( frac{z(z-cos u2061 )}{z^2-2z cos u2061 +1} ) |
| C. | ( frac{z(z-cos u2061 )}{z^2+2z cos u2061 +1} ) |
| D. | ( frac{z(z+cos u2061 )}{z^2+2z cos u2061 +1} ) |
| Answer» C. ( frac{z(z-cos u2061 )}{z^2+2z cos u2061 +1} ) | |