Предмет: Математика, автор: Ronix

Решить уравнение: log0,1 ( 2x + 5 ) = 0

Ответы

Автор ответа: CallMeMaybe

ОДЗ
2х+5>0
2x>-5
x>-2.5

log0,1 ( 2x + 5 ) = 0
log0.1 (2х+5)=log 0.1 1
2x+5=1
2x=-4
x=-2
ОДЗ удовлетворяет
ответ:-2

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