CSIR UGC NET June 2019 | Central Force Problem V(x)=kx^4

The question goes something like this :

A particle of mass M moves in One dimension in the potential V(x) equal to Kx^4 at time T equal to zero the particle starts from rest at x equal to A for bounded motion the time period of the motion is

Video solution is here:

The Slides can be found here

Csr ugc net phy june19 physics q(7 of 55) solution from Bibhatsu Bibhatsu