Question

Сократите дробь а2-6/√6-а

Answer 1

$\displaystyle \frac{a^2-6}{\sqrt{6}-a}=\frac{(a-\sqrt{6})(a+\sqrt{6})}{\sqrt{6}-a}=-\frac{(a-\sqrt{6})(a+\sqrt{6})}{a-\sqrt{6}}=-a-\sqrt{6}$