Question

$\sqrt{8 \times \sqrt{98} }$
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Answer 1

Ответ:

$2\sqrt[4]{392}$

Объяснение:

$\sqrt{8}\sqrt{98}= \sqrt{56\sqrt{2}}=2\sqrt{14\sqrt{2} }}=2\sqrt\sqrt{14^{2} }\sqrt{2}}=2\sqrt\sqrt{14x^{2} }*2 }=2\sqrt\sqrt{196*2}}=2\sqrt\sqrt{392}}=2\sqrt[4]{392}$