How to evaluate a radical of a perfect square rational number ex 6, root(1/25)

The video tutorial explains how to solve the problem of finding the square root of 120 divided by 5. It introduces a key rule for handling square roots of rational numbers, which allows the problem to be broken down into simpler parts. The tutorial then applies this rule to solve the problem step-by-step, ultimately arriving at the solution of 1/5. The video concludes by summarizing the process and reinforcing the understanding of evaluating perfect square rational numbers.

What is the important rule mentioned for evaluating the square root of a rational number?

How can you rewrite the square root of a fraction according to the text?

What are the two separate problems to evaluate for sqrt(120/25)?

What number multiplied by itself gives us 1?

What is the final answer for the evaluation of sqrt(120/25)?