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[" 23.Coefficient of "x^(6)" in "((1+x)(...

[" 23.Coefficient of "x^(6)" in "((1+x)(1+x^(2))^(2)(1+x^(3))^(3)...(1+x^(n))^(n))" is "4k." The "],[" numerical value of "k" is "]

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