Предмет: Математика, автор: savinamargarita9

Какому промежутку принадлежит корень уравнения log5(10 – 5x) = 2log52.

Приложения:

savinamargarita9: помогите пожалуйста!!!

Ответы

Автор ответа: pushpull

1

Ответ:

Пошаговое объяснение:

$log_{5} (10-5x)=2log_{5} (2)$

$log_{5} (10-5x)=log_{5} (2^2)$

10-5x = 4

5x = 6

x = 6/5

x∈ [1; +∞)

ответ Г) [1; +∞)

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