Hello,
I'm not sure if this is the right forum -- I'm not a student so I've not arrived at this problem in a textbook context.
I want to solve an equation of the form:
(a^n)b-(a^n-1)c-(a^n-2)c-...-ac-c=0
where a, b, and c are constants and n is the unknown to be found.
Any pointers -- whether on the problem or on where to go to pose it again -- would be appreciated.
Regards,
Isolde.
I`m new to logarithms, so it`s taken me a while to catch on to what you`re doing here. I still don`t understand the last step.
From
I assume you go by the intermediate step
in order to derive
but as I say, not knowing logs very well, I can`t see how this last step to the solution is made. Presumably by some such identity as
but I`m not familiar with this one, and haven`t been able to find it at Wikipedia`s list.
I have another thought. Would it be possible from
to derive
by the identity
?
Thanks again,
Marc.