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(4âˆš5-3âˆš2)(4âˆš5+3âˆš2) simplify

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$$ We know $ (x+y)(x-y)= x^2-y^2\\ (4 \sqrt{5}-3\sqrt{2})(4\sqrt{5}+3\sqrt{2}) = (4\sqrt{5})^2 - (3\sqrt{2})^2 \\\\ =80 - 18 =62 \\\\$

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Ravindra Pindel

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