求下列等式：设<img src='https://img2.soutiyun.com/ask/2020-11-11/973957900743664.png' />

求下列依赖于参数的不定积分：<img src='https://img2.soutiyun.com/ask/2020-03-06/952339842026776.png' />

求下列依赖于参数的不定积分：<img src='https://img2.soutiyun.com/ask/2020-02-12/950394499913159.png' />

某项目的现金流量如下图所示，则下列等式正确的有（）。<img src='' jquery111006619810749636217=' /><img src='https://img2.soutiyun.com/ask/uploadfile/5397001-5400000/26d73ef528d3b9c559f87bf725653f54.jpg' />

求下列逻辑函数的反函数：<img src='https://img2.soutiyun.com/ask/2020-02-20/951087694661952.png' />

下列等式中哪一个可以成立？<img src='https://img2.soutiyun.com/ask/uploadfile/2814001-2817000/5b116b91a2f01b078b7ea104bc4984e5.jpg' />

设D为xOy平面上的圆扇形域：x²+y²≤R²，x≥0，y≥0，求二重积分<img src='https://img2.soutiyun.com/ask/2020-09-25/969889852355131.png' />

下列不等式中哪一个成立？<img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/f28c3220a6676ee2e20bd44a91edca21.jpg' />

求下列电极在298.15K时的电极电势。<img src='https://img2.soutiyun.com/ask/2020-02-24/951421717915831.png' />

求下列参数方程所确定的函数的三阶导数<img src='https://img2.soutiyun.com/ask/2020-08-06/965553991550217.png' />

设a+3b⊥7a-5b,a-4b⊥7a-2b,求<img src='https://img2.soutiyun.com/ask/2020-07-31/965053905092976.png' />

设p＞1，证明不等式<img src='https://img2.soutiyun.com/ask/2021-01-18/979838709003026.png' />

下列等式中哪一个成立？<img src='https://img2.soutiyun.com/ask/uploadfile/2814001-2817000/3a0444850c78b9d0c4152da50b37757d.jpg' /><img src='https://img2.soutiyun.com/ask/uploadfile/2814001-2817000/df65c0578e74e6821c337ef9546f54d1.jpg' />

求下列依赖于参数的不定积分：<img src='https://img2.soutiyun.com/ask/2020-03-06/952339684693443.png' />

求下列积分，应用分部积分法：<img src='https://img2.soutiyun.com/ask/2019-12-19/94561968946154.png' />

设a≠0,|r|＜1,求<img src='https://img2.soutiyun.com/ask/2020-10-26/972583970755153.png' />

证明不等式:<img src='https://img2.soutiyun.com/shangxueba/ask/51399001-51402000/51401966/977847325438542.png' />.

设随机变量X服从指数分布，其概率密度为<img src='https://img2.soutiyun.com/shangxueba/ask/51282001-51285000/51284053/97507319824928.jpg' />，其中θ＞0是常数，求E(X)，D(X)。

设f(x)为连续函数,且满足等式<img src='https://img2.soutiyun.com/shangxueba/ask/51381001-51384000/51383367/97672305236883.png' />则<img src='https://img2.soutiyun.com/shangxueba/ask/51381001-51384000/51383367/976723063701479.png' />=().

证明定理3:15中的等式<img src='https://img2.soutiyun.com/ask/2021-01-02/978463581870021.png' />

用矩阵乘法求连续施以下列线性变换的结果:<img src='https://img2.soutiyun.com/ask/2020-08-12/966093089031208.png' />

设函数<img src='https://img2.soutiyun.com/shangxueba/ask/51060001-51063000/51061013/970054070213009.png' />求方程f(x)=0的根。

证明不等式：<img src='https://img2.soutiyun.com/ask/2020-08-18/966606791867552.png' />

证明恒等式：<img src='https://img2.soutiyun.com/ask/2020-08-10/965923265077714.png' />

设A，B为n阶可逆矩阵，E为n阶单位矩阵，求<img src='https://img2.soutiyun.com/ask/2020-10-27/972642814546534.png' />