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Solve 5*sqrt(1 + x) + 5*sqrt(1 - x) = 7*sqrt(2).

 May 8, 2020
 #1
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Solve 5*sqrt(1 + x) + 5*sqrt(1 - x) = 7*sqrt(2).

laugh

 May 9, 2020
edited by Omi67  May 9, 2020

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