微积分 求问这道题是什么意思 怎么做的 不懂 谢谢
如题所述
因式分解,以及展开项
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/eac4b74543a982265ba27c708382b9014a90eb02?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
变化的标准型
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b3fb43166d224f4aedd9254400f790529822d121?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
然后再次将分母变成标准型![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/35a85edf8db1cb137a246a44d454564e92584b13?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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第1个回答 2017-01-09
1/(1+x)可以直接套公式
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请问,这道题怎么做?【微积分,函数证明】谢谢!答:关于这个问题,很多高中都没毕业的装B瞎几把答,其实很简单 因为积分符号难输入,用(a,a+T)代表积分上下限 ∫(a,a+T)f(x)dx-∫(0,T)f(x)dx =∫(a,T)f(x)dx+∫(T,a+T)f(x)dx- ∫(0,T)f(x)dx =∫(a,T)f(x)dx-∫(0,T)f(x)dx+ ∫(T,a+T)f(x)dx =...