Simplify expression. Assume all variables represent positive real numbers. See Examples 1, 4–6, and 8–11.
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EXAMPLE 1
EVALUATING ROOTS

EXAMPLE 4
USING ABSOLUTE VALUE TO SIMPLIFY ROOTS

EXAMPLE 5
USING THE RULES FOR RADICALS TO SIMPLIFY RADICAL EXPRESSIONS

EXAMPLE 6
SIMPLIFYING RADICALS

EXAMPLE 8
SIMPLIFYING RADICALS BY WRITING THEM WITH RATIONAL EXPONENTS

EXAMPLE 9
MULTIPLYING RADICAL EXPRESSIONS

EXAMPLE 10
RATIONALIZING DENOMINATORS

EXAMPLE 11
SIMPLIFYING RADICAL EXPRESSIONS WITH FRACTIONS

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