# Wow! (Who's up to the challenge? 11)

Calculus Level 5

$\displaystyle\sum _{ n=1 }^{ \infty }{ \frac { \zeta (2n) }{ n(2n+1){ 2 }^{ 2n } } } =A\ln(B\pi )-C$

where $$A,B,C$$ are positive integers, then find $$A+B+C$$.

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