Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 2 + 2i

A. (cos 20° + i sin 20°), (cos 140° + i sin 140°), (cos 260° + i sin 260°)
B. (cos 30° + i sin 30°), (cos 150° + i sin 150°), (cos 270° + i sin 270°)
C. (cos 20° + i sin 20°), (cos 140° + i sin 140°), (cos 260° + i sin 260°)
D. (cos 20° + i sin 20°), (cos 140° + i sin 140°), (cos 260° + i sin 260°)


Answer: C

Mathematics

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Find the equation of the hyperbola.Vertices at (0, 6) and (0, -6), foci at (0, 9) and (0, -9)

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

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A. 20 lb B. 40 lb C. 80 lb D. 10 lb

Mathematics