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Dividing Radicals and Rationalizing the Denominator - Problem 5

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Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

If you see that you are being asked to work with a square root of a perfect square, by all means use the square root to get rid of the radical sign. Here we see fractions that have perfect square numbers to begin with, and fractions that can be reduced to have perfect squares. Regarding the variables, it is often easier to reduce the variables in the fraction before taking any roots.

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