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>


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