Question

How do you simplify `i^40+5-6i`?

Answer 1

`i^{40}+5-6i=(i^2)^20+5-6i`
`\qquad \qquad \qquad \qquad \qquad =(-1)^20+5-6i=6-6i=6(1-i)`

Explanation:

Straight forward - no explanation needed