raldo7Foosali raldo7Foosali

01-12-2016
Mathematics

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Solve log x − 1 16 = 4.

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Аноним Аноним

01-12-2016

i hope this helps you

log(x-1)4^2=4

2.log (x-1)4=4

log (x-1)4=2

log (x-2)2^2=2

2log (x-1)2=2

log (x-1)2=1

[logab=y b=a^y]

b=2 a=x-1 y=1

2=(x-1)^1

x-1=2

x=3

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