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[" ion "61." If "(1+x)^(n)=C(0)+C(1)x+C(...

[" ion "61." If "(1+x)^(n)=C_(0)+C_(1)x+C_(2)x^(2)+...+C_(n)x^(n)," then prove that "],[C_(0)+3C_(1)+5C_(2)+...+(2n+1)C_(n)=(n+1)2^(n)]

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