Review of Exam 2
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V = ⎧ 1/2 k r²  (x>0)
    ⎨
    ⎩ ∞         (x<0)

    Gives the set L𝓍,L²,H due to x-symmetry

(pic) schrodinger equations for radial and angular components

(pic x2) working through asymptotic behaviours of diffEQ

followed asymptotic approach and then set up a series polynomial solution
for the final F(r)

(pic) still working through derivatives of the polynomial solution

(pic) Use the "series shift" to combine terms. 

(pic) basically just continuing to prepare terms (2/r dR/dr in this case)
to plug back into the main differential equation

the final answer gives a relationship between the coeffiecients cᵢ.