7. 在實數線上,動點 A從原點開始往正向移動,動點B從8的位置開始往負向移動。..-阿摩線上測驗
最佳解! | ||
面試倒楣鬼-22幸運上後西 大二上 (2020/06/24)
An =0+1+(1/2)+(1/4) +... +(1/2n-1) = 2- 1/2n-1 => lim = 2 Bn = 8-4-(4/3)-(4/9)-...-(4/3n-1) = 8-(~6) = 2+ 2/3n-1 => lim = 2 C1 = (1+4)/2 = 5/2 (A) => C2 = (3/2 + 8/3)/2 = 25/1.....看完整詳解 |
2F
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