sqrt of 12r^7s^7 divide by sqrt of r^5s^2

Answer 1

sqrt a /sqrt b = sqrt (a/b)
like
sqrt 16/sqrt 9 = sqrt(16/9) = 4/3

sqrt(12 r^7r^-5 s^7s^-2)

sqrt (12 r^2 s^5)

2 r s^2 sqrt (3s)