Hi JJacquelin,
Line 7 on your attached picture, I had a little different than yours. I had X^3 instead of X^2.
I am still working on it. Please let me know.
Thank you,
Hi JJacquelin
Thank you very much for your help,
I will try it and see if I could reach the result in that picture.
Thank you again for helping me out.
Hi everyone,
I need some help to solve this differential equation.
The question states "Use the perturbation or multiple scale method to find the third-order approximate solution for the following system:
diff(x(t), t, t)+w^2*x(t)*(1+epsilon*x(t)^2) = 0 "
Currently, I am still...