 
			 
			MCQOPTIONS
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				| 1. | Determine the value of the summation: ∑∞n= -∞ δ(n+3)(n2+n).$ | 
| A. | 3 | 
| B. | 6 | 
| C. | 9 | 
| D. | 12 | 
| Answer» C. 9 | |