Question

what is the value of root -9 ​

Answer 1

Answer:

it can't be possible because (-) never comes in root

Answer 2

ANSWER : 3i

Imaginary Numbers :

$\sqrt{ - 1} = i \: \\ is \: called \: iota. \\ </p><p>Which \: is \: an \: imaginary \: number.$

So,

$\sqrt{ - 9} = \sqrt{9} \times \sqrt{ - 1} \\ \\ = > 3i$

Hope this helps ! :)