The Attempt at a Solution
for part a I do not know how to write it in power series form ?
for part b :
I chose the perturbed H' is v(x)= (1+ε )K x^2 /2
then I started integrate E_1 = ∫ H' ψ^2 dx
the problem was , the result equals to ∞ !!
shall I integrate in the interval [ 0,∞ ] !
Last edited by a moderator: