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

asked Oct 4, 2018 109k views

4 votes

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

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$\bf \cfrac{2}{√(42)}\cdot \cfrac{√(42)}{√(42)}\implies \cfrac{2√(42)}{(√(42))^2}\implies \cfrac{2√(42)}{42}\implies \cfrac{√(42)}{21}$

Jamal S answered Oct 9, 2018

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