Respuesta :
Answer: because Macduff was not born of a woman.
Explanation:
Macduff was the only agent capable of destroying Macbeth. He killed Macbeth in battle. As the name "Cesarean" suggests, this is not exactly a new procedure. ... Unfortunately for Macbeth, the Scottish nobleman Macduff was "from his mother's womb/ Untimely ripped," and thus not naturally "born of woman"