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Find (21/3+ 2)5. O A. -10V/3 +10i O B. 10 3 -10i C. -512 3+512 O D. 512 3-512iFind the three cube roots of -1.
Find (21/3+ 2)5. O A. -10V/3 +10i O B. 10 3 -10i C. -512 3+512 O D. 512 3-512iFind the three cube roots of -1. Write your answers in polar form. O A. cos 60 + i sin 60, cos 180 + i sin 180, cos 300 + i sin 300 O B. cos 0' + i sin 0', cos 120 + isin 120, cos 240 + i sin 240 O C. cos 60 + i sin 60, cos 120 + i sin 120, cos 180 + i sin 180 O D. cos 40 + i sin 40, cos 160 + i sin 160, cos 280, i sin 280Find the two square roots of 12 cos -+isin W/y O A. 23 Cos - ti sin ~ , 2V3 cos 47T 47T +i sin 3 3 O B. 144 cos +isin 3 3 , 144 cos - 3 +isin 3 O C. 2 3 cos -+i sin +isin 3 3 1, 23 cos 3 3 O D. 2 3 cos - tisin ~ , 2 3 cos +i sin 6 6
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