Chapter 8.3, Problem 88PE

(a)

To determine

Tofindthe value of ${\left(-4\sqrt{2}-4\sqrt{2}i\right)}^{-2}$ using De Moivre’s theorem

(b)

To determine

To find the value of ${\left(-1+\sqrt{3}i\right)}^{-4}$ using De Moivre’s theorem

(c)

To determine

To find the value of ${\left(\frac{\sqrt{3}}{2}-\frac{1}{2}i\right)}^{-3}$ using De Moivre’s theorem