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Simplify the radical expression by rationalizing the denominator. (2)/( √(42) )

Simplify the radical expression by rationalizing the denominator. (2)/( √(42) )
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4 votes
Simplify the radical expression by rationalizing the denominator.
(2)/( √(42) )

User Sergey Nikitin
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\bf \cfrac{2}{√(42)}\cdot \cfrac{√(42)}{√(42)}\implies \cfrac{2√(42)}{(√(42))^2}\implies \cfrac{2√(42)}{42}\implies \cfrac{√(42)}{21}
User Jamal S
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