Question

приведите к общему знаменателю 6/a-1 и 2/a ​

Answer 1

$\frac{6}{a - 1} + \frac{2}{a} = \frac{6a + 2(a - 1)}{a(a - 1)} = \frac{6a + 2a - 2}{ {a}^{2} - a} = \frac{8a - 2}{ {a}^{2} - a}$