How to solve this ordinary differential equation
For equation , we know a special solution , how to general solution?
I firstly attempted , then , C is a constant.But in next step , I found that my solution is wrong.Since is a special solution of , we found is a solution of equation.Then is a solution of . As you can see ,the step is wrong.
Then I attemped other way to solve this equation ,but all failed.Could help me solve this equation?