(a) Write the following in polar form, z = r(cos ? + i sin ?) = r cis ?:
(i) 1 + I
(ii) 1 + v3i
(iii) 3v3 + 3i
(b) Using your answers to the previous part, find the following, expressing your answers first in polar then Cartesian (standard) form.
(i) (1 + i)11
(ii) (1 + v3i)7
(iii) (3v3 + 3i)3