这道定积分的题目咋做 高数
如题所述
第1个回答 2018-12-30
如图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6159252dd42a28341107229556b5c9ea14cebf8e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
本回答被提问者和网友采纳
第2个回答 2018-12-30
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/aa18972bd40735fa549f582793510fb30e2408c4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
如图所示
第3个回答 2018-12-30
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/91ef76c6a7efce1bc074de54a251f3deb58f65d4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
如图
第4个回答 2018-12-30
大的那一块体积减去小的那一块
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/dcc451da81cb39db1dbc70c8dd160924ab18302b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
相似回答
请教一道高数关于定积分的一道题,题目如下图,谢谢各位答:分析:取x=1代入易知f(1)=0,不防令x-t+1=u,则x<=u<=1,dt=-du,那么 J[1,x]tf'(x-t+1)dt =-J[x,1](x+1-u)f'(u)du =J[1,x](x+1-u)f'(u)du =(x+1)J[1,x]f'(u)du-J[1,x]uf'(u)du,于是原式为:(x+1)f(x)=xlnx+(x+1)J[1,x]f'(u)du-J[...