Hi there,

I'm stuck on this logs question and can't find an example in any books that fits this form.

show that

I try to break the logs down to different forms but never get anything suitable to allow for a substitution.

Any pointers?

Thanks, F

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- October 21st 2011, 07:57 AMFelixHelixLogs problem
Hi there,

I'm stuck on this logs question and can't find an example in any books that fits this form.

show that

I try to break the logs down to different forms but never get anything suitable to allow for a substitution.

Any pointers?

Thanks, F - October 21st 2011, 08:19 AMQuackyRe: Logs problem
- October 21st 2011, 08:23 AMYouklaRe: Logs problem
I would start by first rewriting and into and respectively. Then go from there. See if that is enough to get you going.

- October 21st 2011, 08:34 AMYouklaRe: Logs problem
Doing it by using logs like Quacky suggested is one way. What I suggested leads to:

Rearrange terms and get:

Simplify:

From here, take the natural log of both sides and "Wallah!" - October 21st 2011, 09:17 AMFelixHelixRe: Logs problem
Thanks everyone - I'd gone down that avenue of rewriting but must have made a mistake (several times!)

Thanks again.

F