Solve.

1. (-16)^1/4

2. -16^1/4

*Please post some links so I can have extra practice.

in polar form, -16 = (16,π)

so, (-16)^1/4 = 16^1/4 cisπ/4 = 2cisπ/4 = 2/√2 + 2/√2 i = √2+√2 i

16(1/4) = 2
-16^(1/4) = -2