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what do you mean leave it alone? get it by its self? use the natural log
So I'm not sure what you mean by the $, but if they are your variables, what you want to do is take the natural log of both sides. That'll leave you with Ln($A)=eln($B). Divide both sides by ln($B) which will result in Ln($A)/Ln($B)=e.
okay so first you want to divide by B. A/B=(c/d) exp e. now we take the natural log of both sides. Ln(A/B)=eln(c/d). Divide through. Ln(A/B)/Ln(c/d)=e.
yes you can simplify it to (LnA-LnB)/(LnC-LnD)
My first creation on Xtranormalhttp://www.youtube.com/watch?v=6Mg5YyCXknI