Student Comments

pramodpandey | Student

Since we know

`36=6xx6`

`=6^2`

`i^2=-1`

Therefore

`sqrt(-36)=sqrt(36i^2)`

`=sqrt(6^2i^2)`

`=sqrt((6i)^2)`

`=6i`

Student Comments

pramodpandey | Student

Since we know

`36=6xx6`

`=6^2`

`i^2=-1`

Therefore

`sqrt(-36)=sqrt(36i^2)`

`=sqrt(6^2i^2)`

`=sqrt((6i)^2)`

`=6i`