大一,高数,洛必达,定积分
能写清楚,字迹好一点就行
先给你解答,再给公式:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/574e9258d109b3dee051ccecc1bf6c81810a4c43?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
变限积分求导公式:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f9dcd100baa1cd11e95b5aa4b412c8fcc2ce2d40?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
以上,请采纳。
温馨提示:答案为网友推荐,仅供参考
第1个回答 2019-01-03
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/80cb39dbb6fd5266698c1f90a618972bd507368a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
如图所示
追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/eaf81a4c510fd9f9fda077ed282dd42a2934a4fa?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追问答案是0啊
但是问一下,你那个2是哪里来的呀
就那一步不会
就是原式下面第一步怎么得到的呀
第2个回答 2019-01-03
根据推论二
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0eb30f2442a7d93377dcccf7a04bd11373f00139?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1fc94789be3d4e251f94ca5fe3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
详细步骤和原理都告诉你了。
第3个回答 2019-01-03
分别对分子,分母求导
追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b812c8fcc3cec3fd5c018cf1db88d43f87942772?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
第4个回答 2019-01-03
我不会,也不懂。就是答题赚赏金的。