Question

Solve square root of -144?

Answer 1

Explanation:

`√( - 144) = √(144 * ( - 1)) \\ = √(144) * √( - 1) \\ = 12 * i.. (\because i^2 =-1)\\ = 12i \\ \\ \therefore \: √( - 144) = 12i`

Answer 2

`=12*i`

Explanation:

Given:
`√(-144)`

The square root of some negative value can be find by splitting it in the way given below:

`√(-144)= √(144*(-1))`

`=√(144) *√(-1)` as,

`√(144)=12 \\√(-1)=i`

`√(-144)`
`=12*i`