Question

Solve the following equation: 216^3-1=0
the available answers are as follows:
a) 1/6[cos 2pi/3+i sin 2pi/3], 1/6[cos4pi/3+i sin4pi/3], 1/6 (cos 0+ i sin 0)
b) 1/6[cos 2pi/3+i sin 2pi/3], 1/6[cos4pi/3+i sin4pi/3], 1/6(cos7pi/3 i sin 7pi/3)
c) 1/6[cos 2pi/6+i sin 2pi/6], 1/6[cos5pi/6+i sin5pi/6], 1/6(cos7pi/6 i sin 7pi/6)

Answer 1

uh, there's an error in your question?