设 https://assets.asklib.com/psource/2015102711231299538.jpg ,令u=arctan https://assets.asklib.com/psource/2015102711231333386.jpg ,dv=dx,用分部积分计算,则I利用分部积分公式后是下列中哪个()? https://assets.asklib.com/psource/2015102711232357404.jpg
不定积分 https://assets.asklib.com/psource/2016071617291113666.jpg 等于:() https://assets.asklib.com/psource/2016071617291897939.jpg
广义积分, https://assets.asklib.com/psource/2016071617423385400.jpg 等于:() https://assets.asklib.com/psource/2016071617430065536.jpg
定积分 https://assets.asklib.com/psource/2016071617404855668.jpg 等于:()
定积分 https://assets.asklib.com/psource/2016071616222524760.jpg () https://assets.asklib.com/psource/2016071616223275921.jpg
不定积分 https://assets.asklib.com/psource/2015102916435279311.jpg 等于()。
二次积分 https://assets.asklib.com/psource/2015102917004746434.jpg 交换积分次序后的二次积分是()。
反常积分 https://assets.asklib.com/psource/2016071616303531159.jpg ()
用积分法求图示梁变形时,确定积分常数的 https://assets.asklib.com/psource/2015110114474313933.png 支承条件为() 连续条件为()
求不定积分https://assets.asklib.com/source/1464944192963052283.gif。
设https://assets.asklib.com/source/1471496443517018491.png ,求 https://assets.asklib.com/source/1471496453869063392.png =()。
定积分 https://assets.asklib.com/psource/2016071616210527033.jpg ()
不定积分 https://assets.asklib.com/psource/2015102710434573844.jpg xf″(x)dx等于()
如图所示变截面梁,用积分法求挠曲线方程时应分几段?共有几个积分常数?下列结论中正确的是()https://assets.asklib.com/psource/201510271418087403.jpg
反常积分 https://assets.asklib.com/psource/2016071616284189387.jpg ()
(1)求 https://assets.asklib.com/psource/2016030217251173598.jpg 的展开式中x 4 的系数: (2)求 https://assets.asklib.com/psource/2016030217251291523.jpg 的展开式中的常数项: (3)求 https://assets.asklib.com/psource/2016030217251492432.jpg 的展开式中x 3 的系数。
不定积分 https://assets.asklib.com/psource/2016071616235565881.jpg () https://assets.asklib.com/psource/2016071616241143872.jpg
不定积分 https://assets.asklib.com/psource/201607161625293907.jpg () https://assets.asklib.com/psource/2016071616253628269.jpg
D是平面区域https://assets.asklib.com/source/1472203247858014244.png ,则二重积分 https://assets.asklib.com/source/1472203259343037817.png ()。
求不定积分https://assets.asklib.com/source/1464920399045049166.gif。
不定积分 https://assets.asklib.com/psource/2015102710424937397.jpg 等于()
设积分区域M是https://assets.asklib.com/source/1473398348218030089.png ,则 https://assets.asklib.com/source/1473398359083017705.png 等于多少。
不定积分 https://assets.asklib.com/psource/2016071616263691568.jpg () https://assets.asklib.com/psource/2016071616264514745.jpg
求不定积分https://assets.asklib.com/source/1464920533595004603.gif。