Math, asked by ayush776120, 1 year ago

simplify 7 + 3 root 5 upon 7 minus 3 root 5

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Answered by Anonymous

Answer:

$(7 + 3 \sqrt{5} )(7 - 3 \sqrt{5} ) \\ = (7) ^{2} - (3 \sqrt{5} )^{2} \\ = 49 - 45 \\ = 4$

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Answered by ayaankhan01

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