Question

Помогите пожалуйста! 4-5

Answer 1

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