已知函数
.
(1)求函数
的单调区间;
(2)设函数
,若函数
有两个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73809f7ce39c3a73c7f6b4d08d946bb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dec42744b5cdb40bb1fc82f01ade3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
2022·河南郑州·模拟预测 查看更多[7]
河南省郑州市2022届高三第二次质量预测理科数学试题安徽省合肥市第一中学2021-2022学年高二下学期期中数学试题2022年新高考II卷数学原创猜题预测卷(已下线)专题10 导数压轴解答题(综合类)-1第二章 导数及其应用(A卷·夯实基础)河南省濮阳市第一高级中学2022-2023学年高二下学期期中数学试题(已下线)重难点突破11 导数中的同构问题(六大题型)
更新时间:2022-03-30 23:03:05
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解答题-证明题
|
困难
(0.15)
【推荐1】已知函数
.
(1)求函数
的单调区间与最值;
(2)若方程
在区间
内有两个不相等的实根,求实数
的取值范围; (其中
为自然对数的底数)
(3)如果函数
的图象与
轴交于两点
、
,且
,求证:
(其中,
是
的导函数,正常数
、
满足
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef20b83b0e27ec3b65067a6e891d0d4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f5b67393dc60ad176fb2a3c900f14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(3)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ec3d75e53b990bc8f9a4622928dd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b583230a32b774445332490c511989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5048d4451deb23a306f21a6365ea603b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b70d4a3fc3e01b5a6358cf4e57578e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b9f0e2dd522765dab52b5905a0d59d.png)
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解答题-证明题
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(0.15)
名校
【推荐2】已知函数
,
,其中e是自然对数的底数.
(1)若曲线
在
处的切线与曲线
也相切.
①求实数a的值;
②求函数
的单调区间;
(2)设
,求证:当
时,
恰好有2个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe3e4ab6d686244c8ada849219d9bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5e1c99ef488ee4fa77d6222c3bef0b.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
①求实数a的值;
②求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85879ce7c6c4c94d44442581fe6287c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf26d005328aa4cda1b709dc176fc90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7534897f8f5b5d8d3310231af485cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
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解答题-问答题
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困难
(0.15)
名校
【推荐1】已知函数
,其中
,a为常数.
(1)讨论函数
的单调性;
(2)若当
时,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46afa07806f14dca42dbc027ac316aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a458f4716b7fb99418d762909eecab11.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f9629c9c181e9b6bd2b56c36ae5147.png)
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解答题-证明题
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困难
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解题方法
【推荐2】已知函数
,
.其中
,
为常数.
(1)若函数
在定义域内有且只有一个极值点,求实数
的取值范围;
(2)已知
,
是函数
的两个不同的零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f684e1a86c9eadf392420ec3d31e8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a12d1f442576182a4f5e6e57b0f30eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cae6d37a195a005adec79e3f312fa8.png)
您最近一年使用:0次
解答题-证明题
|
困难
(0.15)
解题方法
【推荐1】已知函数
有两个零点
.
(1)求
的取值范围;
(2)求证:
(其中
是自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3c53e08545a3fb2094d5acb9bf759c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546a1ee9369c1c238e3e9ff1bb4a236e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
您最近一年使用:0次
解答题-证明题
|
困难
(0.15)
名校
【推荐2】已知函数
,曲线
在点
处的切线方程是
.
(1)求
、
的值;
(2)求证:
;
(3)若函数
在区间
上无零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f348531e37fb57e4adc74a9373ef27f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89f5698f41b542aff4bcebbc81ff92b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18ee2bd623e38eb3ee8569e31bf6f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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名校
【推荐3】设
.
(1)证明:
的图象与直线
有且只有一个横坐标为
的公共点,且
;
(2)求所有的实数
,使得直线
与函数
的图象相切;
(3)设
(其中
由(1)给出),且
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89cb90d9b60c28b39b9142ea4637f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8394b1153a174b6e79277de5423a877c.png)
(2)求所有的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
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(3)设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a678bef8f269e87cfa5edc4a298065d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297d01ec175982de2df74ca170155011.png)
您最近一年使用:0次