Set y=2−i. Determine Im( y
ˉ
​
). b) Express 1+i 3
​
in polar form. Hence, use de Moivre's Theorem to calculate (1+i 3
​
) 3
You can give your answer in Cartesian or polar form. c) Write the fraction 2−i
3−2i
​
in the form a+ib where a,b∈R. d) Find all complex numbers v such that v 3
=−1.