Question

упрастите выражение √8 + √32 - √98










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Answer 1

$\sqrt{8} + \sqrt{32} - \sqrt{98} = 2 \sqrt{2} + 2 \sqrt[2]{2} - 7 \sqrt{2} = 2 \sqrt{2} + 4 \sqrt{2} - 7 \sqrt{2} = - \sqrt{2}$