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PUMaC 2010 · 代数（A 组） · 第 1 题

PUMaC 2010 — Algebra (Division A) — Problem 1

专题
Discrete Math / 离散数学
难度
L3
来源
PUMaC

题目详情

  1. Find the sum of the coefficients of the polynomial (63 x − 61) . ∞ ( ) ∑ √ n
解析
  1. Find the sum of the coefficients of the polynomial (63 x − 61) . 4 4 Solution: 16. The sum of the coefficients of f ( x ) = (63 x − 61) is f (1) = (63 − 61) = 16. ∞ ( ) ∑ √ n