Question

Решите пожалста, срочно

Answer 1

$\frac{ (\sqrt{5} + \sqrt{7}) {}^{2} }{ \sqrt{35} + 6 } = \frac{5 + 2 \sqrt{35} + 7 }{ \sqrt{35} + 6 } = \frac{12 + 2 \sqrt{35} }{ \sqrt{35} + 6} = \frac{2( \sqrt{35} + 6) }{ \sqrt{35} + 6} = 2$

Answer 2

$\displaystyle\tt \frac{(\sqrt{5}+\sqrt{7})^2}{\sqrt{35}+6}= \frac{5+2\sqrt{35}+7}{\sqrt{35}+6}=\frac{2\sqrt{35}+12}{\sqrt{35}+6}=\frac{2(\sqrt{35}+6)}{\sqrt{35}+6}=2$