How do you rationalize the denominator and simplify 12/root3(9)?

1 Answer
May 16, 2018

12/ root(3)9 = 4 root(3)3

Explanation:

12/ root(3)9 Multiplying by 9^(2/3) on both numerator

and denominator we get (12*9^(2/3))/( root(3)9*9^(2/3))

= (12*9^(2/3))/( 9^(1/3+2/3))=(12*root(3)81)/9

(12*3*root(3)3)/9 = 4 root(3)3 [Ans]