 
			 
			MCQOPTIONS
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				| 1. | The Nth rot of unity WN is given as: | 
| A. | e<sup>j2πN</sup> | 
| B. | e <sup>-j2πN</sup> | 
| C. | e<sup>-j2π/N</sup> | 
| D. | e<sup>j2π/N</sup> | 
| Answer» D. e<sup>j2‚âà√¨‚àö√ë/N</sup> | |