Are we agree that
and hence
... ?
That should give you a much easier ride than your
I'm having some trouble getting to the solution of the following differential equation:
Given that at , use the substitution to solve
When I differentiate with respect to , I eventually find (my suspicion is that my error is in this step), and when I perform the relevant substitutions and integrate I do not get to the correct answer of
Any help on this would be greatly appreciated.