Question

How to simplify (4i)^2 ?​

Answer 1

Let's examine what we know:

`(ab)^x=a^x * b^x`

So, In the equation:
`(4i)^2`

⇒ is equivalent to ⇒
`4^2*i^2= 16 * (-1) = -16`

Answer: - 16

Hope that helps!

Answer 2

-16

Explanation:

Simplify:

`(a*b)^m=a^m * b^m\\`

i² = -1

(4i)² = 4² * i²

= 16 * (-1)

= -16