将 (x + 8)/((x + 4)(x + 6)) 分解为部分分式。

  • 1/(x + 4)
  • 2/(x + 6) – -1/(x + 4)
  • -1/(x + 4) + 2/(x + 6)
  • 2/(x + 4) + -1/(x + 6)