设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的值（2

设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的值（2
设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的
设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.
（1）求a和b的值
（2）讨论f(x)的单调性

设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的设函数f(x)=x²e【(x-1)次方】+a（x三次方）+bx²,已知x=-2和x=1为f(x)的极值点.（1）求a和b的值（2
1.f'(x)=2xe^(x-1)+(x^2)e^(x-1)+3ax^2+2bx
f'(-2)=0,f'(1)=0
求出a=-1/3,b=-1
2.f'(x)=2xe^(x-1)+(x^2)e^(x-1)-x^2-2x=x(x+2)(e^(x-1)-1)
列表
x（负无穷,-2）(-2,0)（0,1）（1,正无穷）
f'(x) - + - +

1. Men are the main body of society, whether you believe it or not. So men there should be a sense of responsibility. >>> That
2.25 years old, please remember, love is often false, or not as you...

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1. Men are the main body of society, whether you believe it or not. So men there should be a sense of responsibility. >>> That
2.25 years old, please remember, love is often false, or not as you think pure and forever. If you are over 25 years of age, then you should know this truth.
3. 7 into a full meal the most comfortable. Also ask you to treat his girlfriend to keep up to 7 percent.
4.30-year-old body before you love yourself, you find the first 30 years of disease 30 years after the disease to find you. If you are over 30 years old, you will naturally know this truth.
5. cause important than love. If the cause can not be eternal, then love can only be short-lived.
6. Do not accept the pursuit of your girl. women chasing male compartment yarn. If you are prone to fall into the trap,Mac make up, you will find a lot of things you miss and lose a lot.
7. you believe that money can solve the problem, not a problem. If you think that money claims benevolent, rich woman, no money, no women, then. women are not the problem.
8. Please always positive. Every man has his lovely place, but cute is not the place only to face life.
9. Do not let the same for 2 times a woman hurt. good Never look back, has his reasons. If serious consideration to the break up, then please do not make any bear action.
10. If you can do with your friends ex-girlfriend, then you have to ask ourselves: Why? If you are still friends after breaking up, then only two possibilities:. You had all just for fun, do not pay each other the most feelings. or: there must be individual is to pay no regrets in silent!
11. Never trust a woman in love too sweet time. say that women want to hear sweet talk, in fact, men are more like it.
12. Please do not for their appearance or worry too much about height and low self-esteem. Man is an animal, but different from the animal. congenital conditions are not blocking your excuse for a good life. looks far better than the human mind, believe this . If someone looks from people, then you did not need to care too much about. because he was in some sense,Oakley sunglasses, only animals. Ouqi you do with animals?
13. lovelorn, only 2 possibilities, either you love her she do not love you, or vice versa. So, when you love not love you anymore,mac cosmetics wholesale, or never loved you,. you do not have regrets, because You just lost the person does not love you.
14. Please do not deceive the good girl. this world, good little girl.
15. not extreme that money talks, at least, money not cure AIDS.
16. you must have self-confidence. You are a landscape, scenery there is no need to look up others.
17. by another big hit, as long as life is still, believe that the sun is new every day.
18. Love is never balance. you want happiness, love, we must be willing heart.
19. If you prefer a view that people should be good to her, mm, early to give up. No one should be good for a person. If she does not understand this truth, that is, she does not know how to cherish.
20. Do not be lonely and 'find ' gf, lonely, lonely man you want to learn to taste. Remember: Even if lonely, far away the dark night sky, there must be people like you, lonely people are different, look up Star was the only one.
21. any matter is not forever. do not ask how to Always. Life has a lot of frustration. Please try to enrich themselves, enrich their lives. Please be kind to life.
end. men have a lot of frustration, but tired of life because life is meaningful. When you think you have nothing, at least you still have time, time can heal all wounds. so please do not cry .....

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