已知函数f(x)=λx
2+λx,g(x)=λx+lnx,h(x)=f(x)+g(x),其中λ∈R,且λ≠0.
(1)当λ=-1时,求函数g(x)的最大值;
(2)求函数h(x)的单调区间;
(3)设函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224733605475276/SYS201311012247336054752019_ST/0.png)
若对任意给定的非零实数x,存在非零实数t(t≠x),使得φ′(x)=φ′(t)成立,求实数λ的取值范围.
考点分析:
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2-x<(2n-1)x(n∈N′)的解集中整数的个数.
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n}是等差数列;
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;
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已知如图椭圆
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设数列{b
n}满足:
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224733605475276/SYS201311012247336054752016_ST/0.png)
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1D
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1C
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1B
1上是否存一点P,使得DP与平面BCB
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已知向量
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