Question

Simplify (3 √3 + 3i)^-3 to rectangular form

Answer 1

write \(3\sqrt3+3i\) in polar (trig) form first
then multiply the angle by \(-3\)

Answer 2

hahah, im really bad at this.

Answer 3

you need two numbers, \(r\) and \(\theta\)
for \(a+bi\) you find \(r\) via \[r=\sqrt{a^2+b^2}\]

Answer 4

would -1/2 16i be correct?

Answer 5

@satellite73 ?