Предмет: Математика, автор: nexthenrules

помогите с математикой

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Автор ответа: Аноним

Відповідь:

а) Будь яке

б) x^2 -(4x) > 0 =>
х = Будь яке

Покрокове пояснення:

а) модуль не буває меньше 0.

б)Навіть при -х це буде 0 > тому що х^2 > 0

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