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[" EXAMPLE "103" The coefficient of "x^(...

[" EXAMPLE "103" The coefficient of "x^(9)" in the expansion of "],[(1+x)(x+x^(2))(1+x^(3))...(1+x^(100))" ,is "],[[" (a) "2," (b) "6," (c) "9," (d) "8]]

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