函数在上连续，在开区间内可导是，使成立的( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/cc1cc7cafc9b42b8a08abfc9380261b6.png
举一反三
- 函数 ，则在上()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/3a9941245dbe478a981007f0b8be9a43.png
- 设函数在区间内可导，是内任意两个点，且，则至少存在一点，使( )成立。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/526a0fa2a27c443b9902d3cc9bdc1f29.png
- 在上是下列四种中的( )函数。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/394d460603ff4d1ab463e31b7c10249f.png
- 波长为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/91ddb92399a343cc990e393ea7ae49e4.png" />的单色光垂直入射于光栅常数为d、缝宽为a、总缝数为N的光栅上。取<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/d02f9b0d40604921bb6eba164d27ae52.png" />，则决定出现主极大的衍射角<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/294d963ff1564c7e9c98a2ca06a7278c.png" />的公式可写成（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/7e2fd47a37564a53afe33f3fadb46a41.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/2c25a6b55e74467992e1b3b1d02662d8.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/f852c846c7b642f6bbcaf2bcfa75c310.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/27465a93e5ca42d8a18f9a3222d0e52b.png" />
- 有结论成立（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201802/4c8c467d4b6e4f0084ec648eeca0120e.png