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Rationalize the Denominator

Algebra

Which of the following is equal to $\frac{2}{1-\sqrt{5}}?$

\frac{1-2\sqrt{5}}{4}

\frac{1+\sqrt{5}}{2}

-\frac{1+\sqrt{5}}{2}

-\frac{2+2\sqrt{5}}{3}

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by Arron Kau

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