Сложите дроби \(\Large \frac{a + 2}{a - 1}\) и \(\Large \frac{a +5}{1 - a}\) . \(\Large \frac{3}{1 - a}\) \(\Large \frac{2a + 7}{a - 1}\) \(\Large \frac{3}{a - 1}\) \(\Large \frac{2a + 7}{a^2 - 1}\)
Задание

Сложите дроби \(\Large \frac{a + 2}{a - 1}\) и \(\Large \frac{a +5}{1 - a}\) .

  • \(\Large \frac{3}{1 - a}\)
  • \(\Large \frac{2a + 7}{a - 1}\)
  • \(\Large \frac{3}{a - 1}\)
  • \(\Large \frac{2a + 7}{a^2 - 1}\)