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**1. The problem statement, all variables and given/known data**

I want to manipulate an equation to suit a desired form.

**2. Relevant equations**

##(-h^2/2uc)*(dp/dx)*ln((1+c*(x/h)^2)/(1+c))##

becomes

##-(h^2/2u)*(dp/dx)*(1-(x/h)^2)##

**3. The attempt at a solution**

I have no idea, I'm not even sure how the natural log disappears.

I have no idea, I'm not even sure how the natural log disappears.