Rationalizing Denominators

This video tutorial teaches how to rationalize denominators by multiplying by 1. It explains the difference between rational and irrational numbers, and provides methods for rationalizing denominators containing square roots and cube roots. The tutorial emphasizes the importance of maintaining the value of expressions while changing their form, and offers tips for simplifying complex expressions.

Explain how to rationalize a denominator that contains a variable.

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What is the significance of the index of the radical in the denominator?

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