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HMMT 二月 2001 · 冲刺赛 · 第 30 题

HMMT February 2001 — Guts Round — Problem 30

专题
Discrete Math / 离散数学
难度
L3
来源
HMMT

题目详情

  1. [ ± 4] How many roots does arctan x = x − 1 . 6 have, where the arctan function is pi pi defined in the range − < arctan x < ? 2 2
解析
  1. [ ± 4] How many roots does arctan x = x − 1 . 6 have, where the arctan function is pi pi defined in the range − < arctan x < ? 2 2 Solution: 2 .