Homework Statement
I teach myself classical mechanics from David Tong
http://www.damtp.cam.ac.uk/user/tong/dynamics.html
From the homework set
I should verify that the Lagrangian
L=\frac{1}{12}m^{2}\dot{x}^{4}+m\dot{x}^{2}V-V^{2}
Yields the same equations as the mere...