Solve for x using logarithms

**yeloc** · February 24th 2009, 04:50 AM

Solve for x.

$f(x)=log_3x+log_3(x-2)=1$

**kalagota** · February 24th 2009, 04:57 AM

Originally Posted by yeloc

Solve for x.

$f(x)=log_3x+log_3(x-2)=1$

what have you done? or based on your own notes, what can you do?

**yeloc** · February 24th 2009, 05:00 AM

I don't know where to start. We reviewed logarithms before finding the derivatives of logarithms and this is the only question I have.

Is there a way to simplify this first?

**kalagota** · February 24th 2009, 05:03 AM

Originally Posted by yeloc

I don't know where to start. We reviewed logarithms before finding the derivatives of logarithms and this is the only question I have.

Is there a way to simplify this first?

then $\log_a f(x) + \log_a g(x) = \log_a f(x)g(x)$ should be part of the review..

**yeloc** · February 24th 2009, 05:05 AM

Thanks.

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