Question

root 5 root 5 root 5 root 5.1.1 infinite
$\sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7} } } } }$

Answer 1

y=√7*y solve it you will get answer

Answer 2

Let
$\sqrt{5 \times \sqrt{5 \times \sqrt{5....} } } = x \\ \sqrt{5 \times x} = x \\ 5x = {x}^{2} \\ x = 5$