设函数<img src='https://img2.soutiyun.com/latex/latex.action' />,则y有( ).
设<img src='https://img2.soutiyun.com/latex/latex.action' />则f(-x)=( )
设a为常数,则级数<img src='https://img2.soutiyun.com/latex/latex.action' />( ).
设<img src='https://img2.soutiyun.com/ask/2019-07-21/932567761612919.png' />,当K增大时,闭环系统( )。
设<img src='https://img2.soutiyun.com/ask/2019-06-30/93073871106346.png' />,当K增大时,闭环系统( )。
设z是任一复数,证明<img src='https://img2.soutiyun.com/ask/2021-01-13/9794048514659.png' />
求下列等式:设<img src='https://img2.soutiyun.com/ask/2020-11-11/973957900743664.png' />
设随机变量(X,Y)的密度函数为<img src='https://img2.soutiyun.com/latex/latex.action' />
设曲线<img src='https://img2.soutiyun.com/latex/latex.action' />,则曲线______
设随机变量X的概率密度<img src='https://img2.soutiyun.com/latex/latex.action' />常数c=( ).
设<img src='https://img2.soutiyun.com/latex/latex.action' />,则du=( ).
设<img src='https://img2.soutiyun.com/latex/latex.action' />,则点x=1是f(x)的( )。
设f(x)=arctanx,则<img src='https://img2.soutiyun.com/latex/latex.action' />( )。
设<img src='https://img2.soutiyun.com/latex/latex.action' />(n=1,2…),则E(X)=( ).
设函数g(x)=1+x,且当x≠0时,<img src='https://img2.soutiyun.com/ask/2020-02-18/950885721858992.png' />,则<img src='https://img2.soutiyun.com/ask/2020-02-18/950885746436467.png' />等于( )
设A为n阶实矩阵,试证<img src='https://img2.soutiyun.com/ask/2020-11-27/975337127824512.jpg' />
设<img src='https://img2.soutiyun.com/ask/2020-12-15/976910006079741.png' />为同一区间上的可导函数,证明
设p>1,证明不等式<img src='https://img2.soutiyun.com/ask/2021-01-18/979838709003026.png' />
设u=f(xyz),则<img src='https://img2.soutiyun.com/latex/latex.action' />=( )
设<img src='https://img2.soutiyun.com/latex/latex.action' />则<img src='https://img2.soutiyun.com/latex/latex.action' />=( ).
设<img src='https://img2.soutiyun.com/latex/latex.action' />=( )
设<img src='https://img2.soutiyun.com/ask/2019-12-23/94594055571456.png' />,则当x=( )时,D=0。
设函数<img src='https://img2.soutiyun.com/ask/2019-12-21/945780553197574.png' />,则( )成立。
设a≠0,|r|<1,求<img src='https://img2.soutiyun.com/ask/2020-10-26/972583970755153.png' />
设<img src='https://img2.soutiyun.com/shangxueba/ask/2022-04/24/826/20220424090836513.png' />,则A-B=()。