2008年全国硕士研究生入学统一考试数学一试题
一、选择题:1~8小题,每小题4分,共32分,下列每小题给出的四个选项中,只有一项符合题目要求,把所选项前的字母填在题后的括号内.
(1)设函数46226387e9045eebef816bcc23813c1a.png
70a677061ef154be1d35399674b06e0f.png
(2)函数c39b3fc65cdac4be97bc27c2dbca835c.png
70a677061ef154be1d35399674b06e0f.png
(3)在下列微分方程中,从302ff2dc5cc32ba28a2e5efed9bd4948.png
70a677061ef154be1d35399674b06e0f.png
d44a1545c32bb4fd80e6620d5977da46.png
(4)设函数50bbd36e1fd2333108437a2ca378be62.png
70a677061ef154be1d35399674b06e0f.png
d44a1545c32bb4fd80e6620d5977da46.png
(5)设7fc56270e7a70fa81a5935b72eacbe29.png
70a677061ef154be1d35399674b06e0f.png
d44a1545c32bb4fd80e6620d5977da46.png
(6)设7fc56270e7a70fa81a5935b72eacbe29.png
70a677061ef154be1d35399674b06e0f.png
d44a1545c32bb4fd80e6620d5977da46.png
(7)随机变量d23a4ce8bca0f4891e037439a79b45a6.png
70a677061ef154be1d35399674b06e0f.png
d44a1545c32bb4fd80e6620d5977da46.png
(8)随机变量28a73ee14bf058809f9cd6754290952f.png
70a677061ef154be1d35399674b06e0f.png
d44a1545c32bb4fd80e6620d5977da46.png
二、填空题:9-14小题,每小题4分,共24分,请将答案写在答题纸指定位置上.
(9)微分方程f7dbe9c0d1f87e1105098184b79dae90.png
(10)曲线fcd2eb7dab04ad4589a951050e0315a8.png
(11)已知幂级数514348a3e57bc49f261d12685e679bb1.png
(12)设曲面e15c0eb40e61adefe95778c26e7840f6.png
(13)设7fc56270e7a70fa81a5935b72eacbe29.png
(14)设随机变量02129bb861061d1a052c592e2dc6b383.png
三、解答题:15-23小题,共94分.请将解答写在答题纸指定的位置上.解答应写出文字说明、证明过程或演算步骤.
(15)(本题满分10分)
求极限942d6ffaf303a20df6f96a897027f7b4.png
(16)(本题满分12分)
计算曲线积分d77cdce6bc5c8a5d7c7393c44bd74c94.png
(17)(本题满分12分)
已知曲线ae1d6013d1580d25a5c58569d314a6a4.png
(18)(本题满分12分)
函数ad7ac2fcd2e22b7a507152d28ef55c97.png
(19)(本题满分12分)
b5651ebdbd1ca4248b91f7adcd568add.png
(20)(本题满分9分)
d4f733f309fc3f9593f32e053ef26be7.png
(1)证2607e9a089f131ce07c572fac530ff04.png
(21)(本题满分9分)
设矩阵word/media/image95_1.png,现矩阵word/media/image96_1.png满足方程e1112045fc6e2c6976013a218ee015f6.png
(1)求证cb2e3fe9b17fda8df7b338a836db7760.png
(2)0cc175b9c0f1b6a831c399e269772661.png
(3)0cc175b9c0f1b6a831c399e269772661.png
(22)(本题满分9分)
设随机变量02129bb861061d1a052c592e2dc6b383.png
(1)求4054236bc3cdc0f7fa7321aa10e46e8b.png
(2)求21c2e59531c8710156d34a3c30ac81d5.png
(23)(本题满分9分)
d41d8cd98f00b204e9800998ecf8427e.png
cff09d539aa31fee4f72b91bc3c02826.png
(1)证 word/media/image116_1.png是word/media/image117_1.png的无偏估计量.
(2)当word/media/image118_1.png时 ,求word/media/image119_1.png.
.
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