推 inzaghi0221:妳先通分....再用上下微分(羅比達) 218.172.167.146 07/12
→ aether982:可是他不是不定型也 為什麼可以用羅泌達 61.228.75.201 07/13
推 inzaghi0221:對ㄝ~~我看看Y 218.172.167.146 07/13
推 inzaghi0221:不如a=-2 b=0 .....可能是吧 218.172.167.146 07/13
推 aether982:這樣不就發散了? 61.228.75.201 07/13
推 inzaghi0221:阿 又看錯~~~~抱歉 218.172.167.146 07/13
→ inzaghi0221:我算一變好了~~~> < 218.172.167.146 07/13
推 aether982:加油 我也盯著它 一個半小時了 >< 61.228.75.201 07/13
推 inzaghi0221:妳盯著這美眉.......的 題目真久 218.172.167.146 07/13
推 aether982:啥? 你不說我還不知道他的暱稱是什麼.. 61.228.75.201 07/13
→ aether982:純粹因為解不出來... 61.228.75.201 07/13
推 inzaghi0221:搞不好是趨近零.... 218.172.167.146 07/13
→ inzaghi0221:喔不 趨近無線大 218.172.167.146 07/13
推 aether982:我check過題目了 沒抄錯 ... XD 61.228.75.201 07/13
→ inzaghi0221:嗯 一定是趨近無限大吧...分母的X始終大 218.172.167.146 07/13
→ inzaghi0221:於分子一次方... 218.172.167.146 07/13
→ inzaghi0221:那真是太難了> < 218.172.167.146 07/13
推 inzaghi0221:無限大算不算實數?? 218.172.167.146 07/13
推 youyouyou:這提出錯了八... 61.229.54.99 07/13
推 superkill:題目本身就矛盾了呀~"~ 61.228.71.110 07/13
推 lovephs:謝謝大家喔~~~ 218.34.51.28 07/13
→ inzaghi0221:美眉真用功 218.172.167.26 07/13
推 claymath:題目矛盾處在哪?指點一下 211.79.150.238 07/15