Question

solve z^3 + i = 0

Answer 1

z is negative the cubic root of i

Answer 2

Find the 3 cube roots of -i.

Answer 3

how?

Answer 4

First, convert -i to polar coordinates. Then use the formula for the nth roots of a complex number. Then revert to rectangular coordinates if necessary.

Answer 5

(z-i)(z^2+iz-1) =0, z=i etc