Sqrt 7/(sqrt 3 + 2) #rationalize the denominators

Question

Sqrt 7/(sqrt 3 + 2) #rationalize the denominators

Answer 1

Using the general knowledge that to rationalize a denominator of the type √3 + 2, we multiply both numerator & denominator by the conjugate, which is  √3 - 2.  (The new denominator will be 3 - 4  = -1.)