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+5 votes
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asked in Mathematics by (7.5k points)
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The co-efficient of x^9 in the expansion of (1+x)(1+x^2)(1+x^3).......................(1+x^100) is 'h'. Find h.

1 Answer

+7 votes
answered by (9.7k points)

Expanding and multiplying we get the Coefficient of x9 in (1 + x)(1 + x2)(1 + x3)...
...(1 + x100) = 8

So, h = 8

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