SOLUTION:

Question 246176:
Answer by dabanfield(803) (Show Source): You can put this solution on YOUR website!
square root of 16a^4b^6/ 128a^6b^6
Reduce:
sqrt((16a^4*b^6)/(128a^6*b*6)) to:
sqrt(1/(8a^2)=
sqrt(1)/sqrt(8a^2) =
1/(sqrt(4*2)sqrt(a^2)) =
1/(2sqrt(2)sgrt(a))
Multiply numerator and denominator by sqrt(2)*sqrt(a):
(sqrt(2)sqrt(a))/4a