HMMT 十一月 2011 · 冲刺赛 · 第 3 题
HMMT November 2011 — Guts Round — Problem 3
题目详情
- [ 5 ] Let x be a real number such that 2 = 3. Determine the value of 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TH 4 ANNUAL HARVARD-MIT NOVEMBER TOURNAMENT, 12 NOVEMBER 2011 — GUTS ROUND Round 2 √ √ √
解析
- [ 5 ] Let x be a real number such that 2 = 3. Determine the value of 4 . Answer: 11664 We have 3 x +2 3 x 2 2 3 x 6 x x 6 6 4 = 4 · 4 = (2 ) · 16 = 2 · 16 = (2 ) · 16 = 3 · 16 = 11664 . √ √ √