名校
解题方法
1 . 把符号称为二阶行列式,规定它的运算法则为
.已知函数
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f504fcfe5b1116cdcdfa37fccae8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24eb36914c5d05da7d3e23900f0b4124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e2227004f51fac55c38578e2843acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e37ee5f5ea8640aae6193de160c9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2023-09-21更新
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920次组卷
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4卷引用:江西省萍乡市2022-2023学年高一下学期期中数学试题