Предмет: Алгебра, автор: asanovadiana356

Найдите сумму многочленов: x3+3x²+y² и y³ - x³ - 2x².
а) y³ - 2x³ + x2+y²
б)y³ + x2+y2
в) 2x³ +y³ + 2x2+y²

Ответы

Автор ответа: kaktusalina

1

Ответ:

б)

Объяснение:

х³+3х²+у²+у³-х³-2х²

х³ и -х³ взаимоуничтожаются

остаётся 3х²+у²+у³-2х²

3х²-2х²=х²

остаётся х²+у²+у³

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