How do you simplify sqrt(128c^6)?
1 Answer
Apr 23, 2016
Explanation:
Note that if
So for any Real number
sqrt(x^2) = sqrt(abs(x)^2) = abs(x)
If at least one of
sqrt(ab) = sqrt(a)sqrt(b)
So:
sqrt(128c^6) = sqrt(2*64c^6) = sqrt(2*(8abs(c)^3)^2) = 8abs(c)^3sqrt(2)