How do you find critical points of a logarithmic function #y = e^x - 2e^(-x) - 3x#?
Correction: That is not a logarithmic function, but here is how to find the critical numbers for the function.
We need to solve
As a first step, try getting rid of negative exponents:
Get a common denomiator, noting that
So now we need to solve:
Again note that
Both are in