# Problem 23-2 - Example 23-2 Solve the last equation for...

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Example 23-2 Solve the last equation for V z (r). Solution: z dV d P r r dr dr L µ −∆ = z dV P d r rdr dr L µ −∆ = 2 1 2 z dV P r r C dr L µ −∆ = + 1 2 z dV C P r dr L r µ −∆ = + 1 2 z C P V rdr dr L r µ −∆ = + 2 1 2 ln 2 2 z P r V C r C L µ −∆ = + + b.c. V z is finite at r = 0
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