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0 Ginen 2= -bu i 64 (0 + (-1)) Z - (cos 37 64 i sin 37 + 3 De According to Moivre's Formula . 36 Cos akhto + i Siu 2kato Z 3 Now, put K=o ZE u (cas cas 31 - 1 2 , Put kal 2₂= ۹ t + i sin BI *) 4 (cs I ti sim 1 *z=(Cosgo't isiwgoy (can 12+ 31 1 ti sim ***23) (cos Cosz10' + i sim 210°) " ( cas 6x + 2 + i sin box + 2 1 1 2 4 (Cos 3309+ i sin 3 30"). u cos Za i sin Ihr + 22 Put K=2. 23 z Zz
NOW, All thre cube woth are 9 u(cs goʻ+ i sin go") u (Cos2100+ i sin 210) and ulCos 330°t i sin 330%) option corect () นา Graph As, 4 (Corgo tê sin goo) = 4i.
.
So, op Hom is correct
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