下列定积分计算正确的是（　）．

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image057.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image058.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image059.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image060.png" alt="" align="middle">