

MCQOPTIONS
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1. |
Find the Z-transform of x(n) = ( ( frac{1}{2} ))n u(n)*( ( frac{1}{4} ))n u(n). |
A. | ( frac{z}{z-(1/2)} frac{z}{z-(1/4)} ) |
B. | ( frac{z}{z-(1/2)} + frac{z}{z-(1/4)} ) |
C. | ( frac{z}{z+(1/2)} * frac{z}{z-(1/4)} ) |
D. | ( frac{z}{z-(1/2)} frac{z}{z+(1/4)} ) |
Answer» B. ( frac{z}{z-(1/2)} + frac{z}{z-(1/4)} ) | |