Алгебра 11 класс Решите пожалуйста 5ˣ+5ˣ⁻³>126 - №32516665

Алгебра 11 класс
Решите пожалуйста
5ˣ+5ˣ⁻³>126
- Предмет:
  Алгебра
- Автор:
  gianni
- 5 лет назад

Ответы 1

Ответ: (2; +∞)
Объяснение:
$5^x+5^{x-3}>126\\\\ 5^x(1+5^{-3})>126\\\\ 5^x\cdot \frac{126}{125} >126\\\\ 5^x >126: \frac{126}{125}\\ \\ 5^x >25\\ \\ 5^x>5^2\\ \\ x>2\\ \\ OTBET: (2; +\infty)$
- Автор:
  phoenixgzzj
- 5 лет назад
- 0
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