Posted by Mischa on Wednesday, March 25, 2009 at 1:55pm.
Well by inspection,
dx/dt=-.3/2 x^2 - 1/2((x-1)^2+ a^2)^.5+1/2 (((x+1)^2+a^2)^.5
and then
x= -1/20x^3- 1/3 ((x-1)^2+ a^2)^3/2 + you finish it.
Did I miss something?
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