log 1/2(2x-4)=2 помогите решить - №29430773

log 1/2(2x-4)=2 помогите решить
- Предмет:
  Математика
- Автор:
  messiah
- 6 лет назад

Ответы 3

откуда 17/4?
- Автор:
  margaretsfzn
- 6 лет назад
- 0
17/4 : 2 = 17/8
- Автор:
  tyketblp
- 6 лет назад
- 0
log 1/2 (2x - 4) = 22x - 4 = (1/2)^22x - 4 = 1/42x = 17/4x = 17/8
- Автор:
  isaiq999
- 6 лет назад
- 0
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. Решите неравенства:
а)x2 + 7х - 8 > 0; б)3x2 - 4x - 4 < 0.

решите только б открыто решите
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