- #1
parshyaa
- 307
- 19
Homework Statement
Prove that √ab = √a × √b is possible for all the value of a and b except when both are less than 0 at the same time .[/B]
Homework Equations
√(-a)b =(√a)i × b = (√ab)i
The Attempt at a Solution
I don't know how to start, to prove this type of question, but i think that there must be an answer for this.