Question

Log(9)(x+1)log(9)(x-1)=0

Answer 1

Ответ:

2

Пошаговое объяснение:

Log(9)(x+1)log(9)(x-1)=0 |  ОДЗ: x+1>0; x-1>0 x>1; x>-1

Log(9)(x+1) = 0

Log(9)(x+1)=Log(9)(1)

x+1=1

x=0

log(9)(x-1)=0

log(9)(x-1)=Log(9)(1)

x-1=1

x=2

Ответ: 2