 
			 
			MCQOPTIONS
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				| 1. | What is the particular solution of the first order difference equation y(n)+ay(n-1)=x(n) where |a|<1, when the input of the system x(n)=u(n)? | 
| A. | ( frac{1}{1+a} ) u(n) | 
| B. | ( frac{1}{1-a} ) u(n) | 
| C. | ( frac{1}{1+a} ) | 
| D. | ( frac{1}{1-a} ) | 
| Answer» B. ( frac{1}{1-a} ) u(n) | |