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[" If "(1)/(1^(2))+(1)/(2^(2))+(1)/(3^(2))+..." to "oo=(pi^(2))/(6)," then "],[(1)/(1^(2))+(1)/(3^(2))+(1)/(5^(2))+..." equals "],[" (a) "(pi^(2))/(8)" (b) "(pi^(2))/(12)" (c) "(pi^(2))/(3)" (d) "(pi^(2))/(2)]

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