已知函数
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4acaac9a669d2ac371ac13220a581ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe685120cca48390f4419ea3bd8eccf.png)
更新时间:2020-12-31 08:57:30
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较易
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名校
【推荐2】定义
其中
表示
中较大的数.对
,设
,
,函数
,则(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798b0d0e55a2b5bce264e22d14fccb17.png)
______ ;(2)若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8193e55957291afd81452e97d8a980c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8201259ae9bd9c10ca53b6bb7c74680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32773797e976aa0e3c2cc535cc40d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fd4c545b23b17767f831771d085840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43d0ee3b53a4747e03f7142198aea0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798b0d0e55a2b5bce264e22d14fccb17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424d041551eb65d0e6421e14d9f515d0.png)
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解题方法
【推荐1】已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd66ac64126d700ccacc3bdca8b076fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
您最近一年使用:0次