[tex]log _{5}(8x)=log _{5}27-log_{5}3 [/tex] какому промежутку принадлежит корень уравнения (3;4),[2;3],(1;2),[0;1] - №12605605

[tex]log _{5}(8x)=log _{5}27-log_{5}3 [/tex] какому промежутку принадлежит корень уравнения (3;4),[2;3],(1;2),[0;1]
- Предмет:
  Математика
- Автор:
  sox71mp
- 6 лет назад

Ответы 1

log₅ (8x)=log₅ 27 - log₅ 3log₅ 8x = log₅ (27/3)log₅ 8x= log₅ 9{8x>0{8x=9{x>0{x=9/8=1 ¹/₈x=1 ¹/₈ ∈ (1; 2)
- Автор:
  albertaa4p
- 6 лет назад
- 0
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