Question

simplify each of the following by rationalizing the denominator root 7 minus root 5 by root 7 + root 5

Answer 1

5
$\sqrt{7 - \sqrt{5 \div \sqrt{7 + \sqrt{5 = } } } }$
7
$7 - \sqrt{5 \div 7 - \sqrt{5 = 7 - \sqrt{5 {2 \div 2}^{2} } } }$