1/x+1 + 2/x-1 = 8/(x+1)*(x-1) ркшите пж - №29278428

1/x+1 + 2/x-1 = 8/(x+1)*(x-1) ркшите пж
- Предмет:
  Математика
- Автор:
  claytoni5gb
- 6 лет назад

Ответы 1

$1/(x+1 )+ 2/(x-1) = 8/((x+1)*(x-1)) \\ \\ x eq -1;x eq 1 \\ \\ \frac{x-1+2x+2}{(x+1)(x-1)} = \frac{8}{(x+1)(x-1)} \\ \\ 3x+1=8 \\ \\ 3x=7 \\ \\ x=7:3 \\ \\ x=2 \frac{1}{3} \\ \\$
- Автор:
  wilfredohampton
- 6 лет назад
- 0
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