Pre-Calculus - Simplifying an imaginary number when a denominator -7 / i , -7/root(3)

The video tutorial explains how to rationalize denominators in fractions, focusing on cases involving square roots and imaginary numbers. It provides examples of multiplying by conjugates to eliminate square roots from the denominator and discusses the process of handling imaginary numbers in the denominator by multiplying by the complex conjugate.

What is the result of multiplying a fraction by 2/2, and how does it relate to the original fraction?

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How do you convert a fraction with an imaginary number in the denominator to a positive form?

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