SOLUTION: 2 log 3x - log 9 = 1
Algebra
->
Exponential-and-logarithmic-functions
-> SOLUTION: 2 log 3x - log 9 = 1
Log On
Algebra: Exponent and logarithm as functions of power
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Exponential-and-logarithmic-functions
Question 281717
:
2 log 3x - log 9 = 1
Answer by
stanbon(75887)
(
Show Source
):
You can
put this solution on YOUR website!
2 log(3x) - log 9 = 1
---
2[log(3)+log(x)] - 2log(3) = 1
2log(3) + 2log(x) - 2log(3) = 1
2log(x) = 1
log(x) = 1/2
x = 10^(1/2)
x = sqrt(10)
=====================
Cheers,
stan H.