Предмет: Алгебра, автор: lizzzard

{x^2-3y^2=22
{x^2+3y^2=28
Решите пожалуйста)

Ответы

Автор ответа: ildar2000kz
0
систему решаем методом сложения получится:
2х в квадрате=50
делим на два
х в квадрате =25
х= + - корень из 25
х1=5
х2=-5

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