Question

What is the square root of -15 times the square root of -15?

Answer 1

LATeX isn't working :(

well, sqrt(-15) times sqrt(-15)=-15.

Answer 2

OK, I thought there had to be and (i) in there to represent the - sqrt. thank you

Answer 3

they cancel out im (-15^2) cancels out the parenthesis

Answer 4

leavin you 15

Answer 5

If you've gone over complex numbers before, it can be written as follows:

sqrt(-15)sqrt(-15)= i^2 sqrt(15)^2=-1*15=-15

Answer 6

OK Thx

Answer 7

You're welcome.