Question

Помогите пожалуйста! 4-5

Answer 1

$sqrt{2 + sqrt{ frac{68(32 - 15)(32 + 15)}{47} } } = sqrt{2 times sqrt{ frac{68 times 17 times 47}{47} } } = sqrt{2 + sqrt{68 times 17 = sqrt{2 + sqrt{1156} } } } = sqrt{2 + 34} = sqrt{36} = 6$