Question

simplify (3+√2) (5+√7)​

Answer 1

$= (3 + \sqrt{2} )(5 + \sqrt{7} ) \\ = 3(5 + \sqrt{7} ) + \sqrt{2} (5 + \sqrt{7} ) \\ = 12 + 3 \sqrt{7} + 5 \sqrt{2} + \sqrt{14}$

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Answer 2

refer above page

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