Предмет: Алгебра, автор: sofik128

2) 2x-x² ≤0
Помогите

Ответы

Автор ответа: сок111213
0

2x - {x}^{2} \leqslant 0 \\ {x}^{2} - 2x \geqslant 0 \\ x(x - 2) \geqslant 0 \\ + + + + [0] - - - - [2] + + + + \\ x \: \epsilon \: ( - \infty ;0]U[2; \: + \infty )

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