Решите данный пример[tex]\frac{\sqrt{14}+\sqrt{21}-\sqrt{63} }{3-\sqrt{3} -\sqrt{2} }[/tex]. Created by Arastun2005. matematika-ru

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Arastun2005 @Arastun2005

July 2022 1 1 Report

Решите данный пример
[tex]\frac{\sqrt{14}+\sqrt{21}-\sqrt{63} }{3-\sqrt{3} -\sqrt{2} }[/tex]

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DimaPuchkov

$\frac{\sqrt{14} +\sqrt{21} -\sqrt{63} }{3-\sqrt{3}- \sqrt{2} } =-\frac{\sqrt{63}-\sqrt{14}-\sqrt{21} }{3-\sqrt{3}- \sqrt{2} } =-\frac{\sqrt{7\cdot 9}-\sqrt{7\cdot 2}-\sqrt{7\cdot 3} }{3-\sqrt{3}- \sqrt{2} } =-\frac{\sqrt{7}\cdot (3-\sqrt{2}-\sqrt{3} )}{3-\sqrt{3}- \sqrt{2} } =-\sqrt{7}$

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Arastun2005 То чувство когда ток что решил и пришёл ответ хД

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