MCQOPTIONS
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| 1. |
Determine the impulse response for the cascade of two LTI systems having impulse responses h1(n)= (( frac{1}{2})^2 ) u(n) and h2(n)= (( frac{1}{4})^2 ) u(n). |
| A. | (( frac{1}{2})^n[2-( frac{1}{2})^n] ), n<0 |
| B. | (( frac{1}{2})^n[2-( frac{1}{2})^n] ), n>0 |
| C. | (( frac{1}{2})^n[2+( frac{1}{2})^n] ), n<0 |
| D. | (( frac{1}{2})^n[2+( frac{1}{2})^n] ), n>0 |
| Answer» C. (( frac{1}{2})^n[2+( frac{1}{2})^n] ), n<0 | |