Answer:
9+sqrt(14)
--------------
9+sqrt(14)
Explanation:
To get rid of the square root in the denominator, you want to multiply by the conjugate.
Since we have a - sqrt(b) in the denominator
We need to multiply by a + sqrt(b)
What we do the bottom, we do to the top
9+sqrt(14)
--------------
9+sqrt(14)