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Two semi-infinite grounded conducting planes intersect at 60 degrees. A point charge is situated inside this...

Two semi-infinite grounded conducting planes intersect at 60 degrees. A point charge is situated inside this wedge-shaped region.
(a) Find image charges to obtain the potential between the conductors.
(b) Can you use the result of part (a) to obtain the Green function for the Dirichlet problem between the planes? No explicit calculation is required; just explain

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