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2017浙江专升本高等数学真题

2017浙江专升本高等数学真题
2017浙江专升本高等数学真题

2017年高数真题试卷

请考生按规定用笔将所有试题的答案涂、写在答题纸上。

选择题部分

注意事项:

1.答题前,考生务必将自己的姓名、准考证号用黑色字迹的签字笔或钢笔填写在答题纸规定的位置上。

5、微分方程x e y y y x sin 23?=+'-''的通解形式可设为()

A.x

ae x sin B.()x b x xe x sin cos + C.x x e x sin D.()x b x a e x sin cos +非选择题部分

注意事项:

1.用黑色字迹的签字笔或钢笔将答案写在答题纸上,不能答在试题卷上。

2.在答题纸上作图,可先使用2B 铅笔,确定后必须使用黑色字迹的签字笔或钢笔描黑。

二、填空题(410'?)

6、已知()x f 的定义域()1,0,则()x f 2的定义域为_______.

7、已知()21lim 10=+→x kx ,则_______=k .

8、若()()21ln x x f +=,则()()______33lim 0

=--→h h f f h .9、方程0525=-+x x 的正根的个数_______.

,?18.求不定积分?xdx arcsin .

19.已知

()???+=-x e x x f 21,求()dx x f ?-312.20.已知()???>+≤=1

,1,2x b ax x x x f 在1=x 处连续且可导,求b a ,的值.

21.求幂级数11

-∞=∑n n nx 的收敛区间,并求和函数.22.求过点()1,1且去直线123:1-+=-+=-z y x L ,:2z y x L ==平行的平面方程.

23.讨论()221x e x f -=π单调区间,极值,凹凸区间及渐近线.

四、综合题(013'?)

24.设1D 是由抛物线22x y =和直线a x =,2=x 及0=y 所围成的平面区域;2D 是由抛物线22x y =和直线a x =,0=y 所围成的平面区域,20<

(1)求1D 绕x 轴的体积1V ,2D 绕y 轴的体积2V ;

(2)求a 的值,使得21V V +取得最大值,并求最大值.

25.设曲线()x f y =过点()1,1的切线在纵轴截距等于切点横坐标,求曲线方程.

26.设()x f 在[]1,0上可导,且()01=f ,证明:存在()1,0∈ξ,使()()0=+'?ξξξf f .

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