Question

$1 \div \sqrt{7} - \sqrt{8}$
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Answer 1

$1 \div \sqrt{7} - \sqrt{8} \: \: \: \times = \sqrt{7} + \sqrt{8} \div \sqrt{7} + \sqrt{8} \\(rationalizing \: the \: denominator) \\ \sqrt{7} + \sqrt{8} \div \sqrt({7} )^{2} - \sqrt( {8} ) ^{2} \\ \sqrt{7} + \sqrt{8} \: \div \: 7 - 8 \\ \sqrt{7} + \sqrt{8} \div 1 \\ \sqrt{7} + \sqrt{8} \: \: \: \: ans$

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Answer 2

Answer:

√7+√8 is the right answer