complex numbers

Find the roots of the equation (z+1)^3 = 1, in the form x+iy.

gogogo

>>55
relatedly
(a+bi)/(c+di) = [(ac+bd)/(cc+dd)] + [(bc-ad)/(cc+dd)]*i

this is defined as long as at least one of c or d are nonzero.  i.e. as long as the modulus of c+di is nonzero.