Homework Help: Trig/Pre-Calc

Posted by Eric on Monday, May 16, 2011 at 7:01pm.

Could someone please help me on this problem. I'm really confused, and this assignment is due tomorrow.

Solve the logarithmic equation algebraically. Approximate the result to three decimal places.

log4x-log4(x-1)=1/2

To start off the equation, I know you would do the following:

log4(x/x-1)=1/2

After that, I'm just not sure how to solve it. Any help would be greatly appreciated.

Trig/Pre-Calc - bobpursley, Monday, May 16, 2011 at 7:12pm
log4 ( ) = 1/2
or ( )=4^1/2
or ( )=2

2x-2=x
x=2

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