名校
1 . 已知函数
的最大值为
,其中
.
![](https://img.xkw.com/dksih/QBM/2020/3/23/2425941276098560/2426542267858944/STEM/a795953d53cf4d459db20ee7765c473e.png?resizew=221)
(1)求实数
的值并在图中画出
的图象;
(2)若
,
,且满足
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f11c883d06b968b03f4b92fd0b5280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://img.xkw.com/dksih/QBM/2020/3/23/2425941276098560/2426542267858944/STEM/a795953d53cf4d459db20ee7765c473e.png?resizew=221)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa46ad3bd5cffe0e1a7a7f9332a05d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4edbf2ba8dbf2df26f16b5b4a9bd417f.png)
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2020-03-24更新
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151次组卷
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2卷引用:2019届四川省成都石室中学高三适应性考试(二)数学(理)试题