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03-02-2017
Mathematics

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Simplify the radical expression by rationalizing the denominator. [tex] \frac{2}{ \sqrt{42} } [/tex]

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jdoe0001 jdoe0001

03-02-2017

[tex]\bf \cfrac{2}{\sqrt{42}}\cdot \cfrac{\sqrt{42}}{\sqrt{42}}\implies \cfrac{2\sqrt{42}}{(\sqrt{42})^2}\implies \cfrac{2\sqrt{42}}{42}\implies \cfrac{\sqrt{42}}{21}[/tex]

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