Rationalizing the denominator with a radical

The video tutorial explains irrational numbers, using π as an example, and discusses the properties and simplification of radicals. It covers how to multiply radicals and maintain fraction integrity during multiplication, emphasizing the importance of keeping fractions true by multiplying both the numerator and denominator.

Describe the relationship between square roots and squared numbers as mentioned in the text.

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What does it mean to keep a fraction intact when multiplying by a radical, and how is this demonstrated in the text?

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