Question

Срочно! Помогите пожалуйста)

Answer 1

$frac{8+2 sqrt{2} }{4+ sqrt{128} } = frac{2(4+ sqrt{2})}{4+ sqrt{64*2} } = frac{2(4+ sqrt{2})}{4+8 sqrt{2} } = frac{2(4+ sqrt{2})}{4(1+2 sqrt{2})} = frac{4+ sqrt{2} }{2(1+2 sqrt{2})}$