 
			 
			MCQOPTIONS
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				| 1. | The computation of XR(k) for a complex valued x(n) of N points requires _____________ | 
| A. | 2N2 evaluations of trigonometric functions | 
| B. | 4N2 real multiplications | 
| C. | 4N(N-1) real additions | 
| D. | All of the mentioned | 
| Answer» E. | |