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Rationalize the Denominator

Algebra Level 2

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

\[-\frac{2+2\sqrt{5}}{3}\] \[\frac{1-2\sqrt{5}}{4}\] \[-\frac{1+\sqrt{5}}{2}\] \[\frac{1+\sqrt{5}}{2}\]

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by Arron Kau

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