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Homework Statement
Two spherical shells of radius ‘a’ and ‘b’ (b>a) are centered about the origin of the
axes, and are grounded. A point charge ‘q’ is placed between them at distance R from the
origin (a<R<b).
Expand the electrostatic potential in Legendre polynomials and find the Green function of
the problem as a series. Explicitly find all pre-factors.
Homework Equations
The Attempt at a Solution
The potential on the outer shell is q/b and the inner shell q/R, right? How do I represent this in legendre polynomials?