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Binomial dilemma (Posted on 2019-02-02) Difficulty: 3 of 5
Let n≥2 be a positive integer and let f(x) be the polynomial

1 - (x + x2 + ... + xn) + (x + x2 + ... + xn)2 - ... + (-1)n(x + x2 + ... + xn)n.

Show that the coefficient of xr in f(x) is zero, for 2≤r≤n.

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 3.0000 (1 votes)

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  Subject Author Date
SolutionNo SubjectFrankM2019-02-04 07:04:44
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