Предмет: Математика, автор: 0004556189

свести это x^2-2y+у^2-4у-4=0 уравнение к общему виду окружности.
Написать центр и радиус окружности

Ответы

Автор ответа: Tove
0
Если что, там выделяется полный квадрат
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