→ yupisces:比值檢驗法? 59.115.73.246 06/26 18:51
推 topractise:這就是有頭沒尾的推文嗎 59.113.163.131 06/26 19:16
→ topractise:ans收斂? 59.113.163.131 06/26 19:23
→ yhliu:給予提示叫 "有頭無尾"? 163.15.188.87 06/26 19:29
→ yhliu:那只給答案叫甚麼? 163.15.188.87 06/26 19:29
推 topractise:有尾無頭 59.113.163.131 06/26 19:31
推 THSR700T:我也用比值法~但是卡在+號那耶140.117.120.251 06/26 20:34
→ yupisces:那把加號去掉就做出來了對吧～ 59.115.73.246 06/26 21:04
→ yupisces:(3^n+n)/(n!) 這樣 59.115.73.246 06/26 21:05
→ yupisces:不好意思沒寫完整~"~ 接下來大的收斂 59.115.73.246 06/26 21:06
→ yupisces:小的也收斂 這樣不知道有沒有錯 59.115.73.246 06/26 21:06