Show that only odd value of l = 66(l = (j - 1)) the solution you can use the following relation $$ \frac{(1-a^2/r^2)}{(1+a^2/r^2)^{1/2}} = (\frac{(1-a^2/r^2)}{(1+a^2/r^2)})^{-1/2}$$ to prove the following $$ \phi(z=r) = \frac{v}{\sqrt{\pi}} \sum_{d=1}^{\infty} (-1)^{j-1} \cdot (2j-1) \frac{\Gamma(j-\nu_2) \cdot (a|r)^{2j}}{j!} $$
Added by Peter H.
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Step 1: The given relation is: $$ \frac{(1-a^2/r^2)}{(1+a^2/r^2)^{1/2}} = (\frac{(1-a^2/r^2)}{(1+a^2/r^2)})^{-1/2}$$ This relation can be simplified as: $$ \frac{(1-a^2/r^2)}{(1+a^2/r^2)^{1/2}} = \frac{(1+a^2/r^2)^{1/2}}{(1-a^2/r^2)}$$ This relation is true for all Show more…
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