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Cross Multiplication?

Algebra Level 2

$\large \dfrac{\sqrt{x+1} +\sqrt{x-1}}{\sqrt{x+1} - \sqrt{x-1}} = 3$

Find the value of $x$ satisfying the equation above.

Give your answer to 2 decimal places.

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Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by Ayush G Rai

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