设且二阶可导，则. （ ）https://image.zhihuishu.com/zhs/onlineexam/ueditor/201911/0e94e70d6f8040c4a8fd7d52db3c793f.png
举一反三
- 设，且，则（ ）https://image.zhihuishu.com/zhs/onlineexam/ueditor/201911/54eb7bb314af4d48acd79bdaed0a3a54.png
- 设F，G都是4阶方阵，且https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9e4118a038754e759762167b0732cca0.png
- 设函数连续，且，则（ ）https://image.zhihuishu.com/zhs/onlineexam/ueditor/201911/fa98ba79c8b04f47adca4a3f7d4d2c9b.png
- 设，则（ ）https://image.zhihuishu.com/zhs/onlineexam/ueditor/201911/65a0d3434521400ea3cfef4ee4ce833f.png
- 设，则（ ）https://image.zhihuishu.com/zhs/onlineexam/ueditor/201911/3b5592af1a9946d0860bae2263bcaddd.png