Предмет: Алгебра, автор: Аноним

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Автор ответа: korolula275
0

Ответ:

1) √x=2/3

x=(2/3)²

x=4/9

2) √x=-2

рівняння не має розв'язків

3) х²=64

х=±√64

х=±8

4) х²=-4

рівняння не має розв'язків

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