Lemma
MediumRational expressions
OpenStax, Algebra and Trigonometry 2e §1.6 Rational Expressions · Review Exercise 89 · Algebra · Rational expressions

Rational Expressions · Review Exercise 89

Find the principal square root.

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OpenStax, Algebra and Trigonometry 2e · §1.6 Rational Expressions · Review Exercise 89

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Checked against the answer in OpenStax, Algebra and Trigonometry 2e.