Question

find the square root of -2-2root3i

Answer 1

-2-2√3.i whole square

from a-b whole square...

a=-2,b=2√3.i

(-2)^2 + (2√3.i)^2 -2(-2)(2√3.i)

4 + (4.3.-1)+4(2√3.i)

4-12+8i√3

-8+8i√3

8(-1+i√3)