Question

how to do working for square root -3?

Answer 1

this is not a real number
If you want further it should take as\[\sqrt{-1}\times \sqrt{3}\]

Answer 2

1.73205081 i , not sure how to work it out.

Answer 3

the\[\sqrt{-1}=i\]
it represents imaginary numbers not real

Answer 4

correct.

Answer 5

correct for??

Answer 6

1.73205081 i

It's an imaginary answer because it represents a number that is not real.