题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063502-27170.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063502-64034.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063502-99735.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063502-81961.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-56264.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-21511.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-87474.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-99878.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-22427.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063504-18333.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063504-16214.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063504-91974.gif)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063504-77621.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063505-71093.gif)
解得a=2,b=1. …………………… 4分
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063505-40968.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063505-72900.gif)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063505-80423.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063505-69326.gif)
在
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-21511.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063506-89835.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063506-94711.gif)
当x∈
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063506-66890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063506-28348.gif)
则方程
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063507-68570.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-21511.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063507-64179.gif)
即
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063503-22427.gif)
核心考点
举一反三
已知
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063451-19771.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-60048.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-56335.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-96625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-61599.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-71967.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-96625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-74111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-62907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-56529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-88243.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-62907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-47920.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063453-25249.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063452-96625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063453-76495.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063453-53276.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063453-30938.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063453-65910.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063453-79187.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063445-79127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063445-95644.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063445-69058.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063437-32143.gif)
(I)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063437-46076.gif)
(II)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063438-51242.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-46110.gif)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-17888.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-93839.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-57646.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-77966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-57646.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-77966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-93839.gif)
(2)在(1)的条件下,设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-84389.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-77162.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063423-54869.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063423-76165.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063422-57646.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-21029.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-82242.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-58596.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-44573.gif)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-72951.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-37342.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-78722.gif)
(3)是否存在
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-44573.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063406-57907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018063407-38671.gif)
最新试题
- 1使分式的值为零的条件是x= _________ .
- 2已知集合M={y|y=x2-1,x∈R},N={x|y=},则M∪N=( )。
- 3根据拼音写出汉字。御pìn( )花wén( )jué士( )cì给( )头xiá
- 4阅读下面文字,回答文后问题。王国维之死刘再复 我国著名的史学家和美学家王国维,辛亥革命后以清朝遗老自居,他于一九二七年
- 5在生物学实验中,关于引流法的叙述正确的是[ ]A.在盖玻片一侧滴加试剂,然后将装片倾斜B.引流目的是让试剂渗到盖
- 6He was caught by police for his drunk driving and his friend
- 7【题文】读图“热力环流示意图”(a、b表示等压面),图中①、②、③、④四点的气压大小比较,正确的是A.①>②B.①
- 8如图所示为一草原生态系统,请分析回答:(1)此生态系统中的生产者是__ __。(2)生产者和消费者
- 9已知数列{an}为等差数列,且a1=1.{bn}为等比数列,数列{an+bn}的前三项依次为3,7,13.求(1)数列{
- 10点A(﹣3,4)所在象限为 [ ]A.第一象限B.第二象限C.第三象限D.第四象限
热门考点
- 1梭伦以财产为依据划分公民等级,克里斯梯尼以区域部落代替血缘部落,其共同点是( )A.剥夺贵族的政治权利B.以财产的不
- 2My brother doesn’t like playing basketball _______ watching
- 3利用如图所示装置测定中和热的实验步骤如下:①用量筒量取50mL0.50mol•L-1盐酸倒入小烧杯中,测出盐酸温度;②用
- 4国家兴替特别是大国盛衰史给人们留下不少历史智慧。2006年11月中央电视台隆重推出12集大型电视纪录片《大国崛起》,引起
- 5杜鲁门当选美国总统后,友人向其母亲祝贺:“您有这样的儿子,一定十分自豪吧!”总统的母亲平静地说:“是的。不过,我还有一个
- 6下列有关氧气的说法正确的是A 能供给呼吸 B 化学性质比较稳定C 具有可燃性
- 7指出说法正确的一项 [ ]A.“蚓无爪牙之利,筋骨之强。”“爪牙”在文中用的是它的比喻义。 B.白居易《忆江南》
- 8已知两条线段长度是3和5,能一起构成三角形的第三条线段的长度是( )A.1B.2C.4D.8
- 9【题文】依次填入下列各句横线处的词语 , 最恰当的一组是①韩剧成功在哪里 ? 首先是题材贴近生活 ,
- 10若4x2+mx+25是一个完全平方式,则m的值是( ).