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#1 2011-02-08 21:42:18
- nevinsmith
- Member
- Registered: 2010-05-19
- Posts: 39
Differentiation problem
hi guys, im stuck on a question
find dy/dx for equation
y=(8x)^(x-2)
i think im missing a rule to differentiate y=f(x)^g(x)
please help
thnx
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#2 2011-02-08 22:01:34
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: Differentiation problem
Hi nevinsmith,
Take log on both sides, then differentiating becomes easy.
*edit - sorry, did a mistake, it's log(8) + log(x).
apply the product rule and simplify if required.
Last edited by gAr (2011-02-08 22:10:37)
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