Simplifying a radical by rationalizing the denominator simple

The video tutorial explains how to rationalize the denominator of a fraction involving square roots. It begins with an introduction to the concept, followed by a detailed explanation of multiplying by square roots to eliminate the square root in the denominator. The tutorial then demonstrates the simplification of the expression, leading to a more simplified answer. The process is concluded with a final review of the steps taken to achieve the rationalized form.

How does the square of a square root relate to the simplification process discussed?

What is the final simplified form of the expression discussed in the text?