Question

How do you perform the operation and write the result in standard form given `sqrt(-10)^2`?

Answer 1

`color(cyan)(=> 10 i)`

Explanation:

`sqrt(-10^2)`
`=> sqrt(i^2 * 10^2)` as `i^2 -= -1`

`=> sqrt (i^2) * sqrt(10^2)`

`=> 10 i`