Question

Решить выражение, срочно

Answer 1

$( sqrt[4]{2} - sqrt[4]{8} ) ^{2} - 3 sqrt{2} = \ = sqrt{2} - 2 sqrt[4]{2 times 8} + sqrt{8} - 3 sqrt{2} = \ = sqrt{2} - 2 sqrt[4]{ {2}^{4} } + 2 sqrt{2} - 3 sqrt{2} = \ = - 2 times 2 = - 4$