函数 在点 的全微分就是曲面 在点 的切平面上的点 的 坐标的改变量 。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/f193e78b22904b5a9fce3f12a9c22842.png
对
举一反三
- 函数在点的全微分就是曲面在点 的切平面上的点的坐标的改变量。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/f193e78b22904b5a9fce3f12a9c22842.png
- 函数在点(0,0)处( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/430c411bd86f4e9c8d257e2c00d9fbaa.png
- 二元函数在点(0,0)处( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/02db1a6ba95f4cbd80baef6ef13fff09.png
- 函数在点的全微分就是曲面在点的切平面上的点的坐标的改变量。()
- 求函数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/c7a245151812467d85af7a1cf91a4be0.png在点http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/917120f5d9354f20ad871d7acfc759d1.png处全微分,则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/63eafd5e56d84117ba59026b91c8059e.png( )<br>
内容
- 0
设为某函数的全微分,则( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/2d16c7c4c93d419c908abafce90d46a2.png
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空间曲线,在点处的法平面必( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/bfc647dd12e84c118c466425a1312203.png
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偏导数表示曲面被平面所截得的曲线在点 处的切线对轴的斜率。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/1a6c85495a6b43a2b96a41f824fa8017.png
- 3
在图示电路中,B点的电位VB为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/0de1efa422f14410b078cf364c59cdc7.png
- 4
函数在点处是连续的且偏导数也是存在的。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/66eeff13d1904738bea6f4255ed45e69.png