Rationalize the denominator with an expression with a radical of third root

The video tutorial covers the process of rationalizing the denominator by focusing on cube roots. It begins with an introduction to the concept, followed by a detailed explanation of calculating the cube root of 6. The teacher demonstrates multiplying by the cube root of 6 squared to simplify the expression. Throughout the lesson, the properties and understanding of cube roots are clarified. The tutorial concludes with a summary of the cube root process and its application in rationalizing denominators.

What does the cube root represent in mathematical terms?

In the example, how is the number 216 related to the cube root of 6?