Question

решите подробно очень ​

Answer 1

$sqrt{18 - sqrt{288} } ( sqrt{2} + 1) = 6 - 3 sqrt{2} \ 1) sqrt{18 - sqrt{288} } = sqrt{18 - 12 sqrt{2} } \ 2) (sqrt{18 - 12 sqrt{2} } ) times ( sqrt{2} + 1) = 6 - 3 sqrt{2}$