Предмет: Математика, автор: koc12

log _2 (x-1)=3 решите уравнения пожалуйста

Ответы

Автор ответа: nikitabbl
0
log2 (x-1) = log2 8
x-1 = 8
x=9
Автор ответа: Vladislav006
1
log _2 (x-1)=3

2^3 = (x-1)

8 +1 = x

x = 9

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