Помогите! Докажите тождество: (a+b)(в квадрате)-2ab+a(в квадрате)-b(в квадрате)=a - №6242552

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Докажите тождество: (a+b)(в квадрате)-2ab+a(в квадрате)-b(в квадрате)=a умножить 2a
- Предмет:
  Алгебра
- Автор:
  esperanzaizi0
- 5 лет назад

Ответы 1

а^+2ав+в^-2ав+а^-в^=2а^;2а^=2а^;(^-это квадрат,удачи)
- Автор:
  pippy
- 5 лет назад
- 0
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