Math, asked by ushakatiyar3, 10 months ago

simplify 3 + under root 5 squared minus 3 minus under root 5 square

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Answered by Anonymous

$( 3 + \sqrt{5} \: {)}^{2} - ( {3 - \sqrt{5} \: )}^{2} \\ = 9 + 5 + 6 \sqrt{5} - (9 + 5 - 6 \sqrt{5} ) \\ = 14 + 6 \sqrt{5} - 14 + 6 \sqrt{5} \\ = 12 \sqrt{5}$

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simplify 3 + under root 5 squared minus 3 minus under root 5 square​

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simplify 3 + under root 5 squared minus 3 minus under root 5 square