【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/EA6FB79FF8DF7A9F3A2D0CEB093C717F.png title=QQ图片20160224214006.png alt=QQ图片20160224214006.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>的偏导数存在，则<img src=https://huaweicloudobs.ahjxjy.cn/61AF63E59A60D6B49960C25A0B85414F.png title=QQ图片20160224214038.png alt=QQ图片20160224214038.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/588DCE737E539AFE5318232DBC0C8858.png title=QQ图片20160224214107.png alt=QQ图片20160224214107.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/1898B210FBB62DA4DA7997BB95A4D586.png title=QQ图片20160224214125.png alt=QQ图片20160224214125.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C9D08ECB097A69F4F22594D120D687E7.png title=QQ图片20160224214140.png alt=QQ图片20160224214140.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6101D759594C1C2892D8E9F8195520C5.png title=QQ图片20160224215328.png alt=QQ图片20160224215328.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A62ADD5121C1F32FD9E08F8F6CD04EC7.png title=QQ图片20160108180549.png alt=QQ图片20160108180549.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/93E8FD9E1D71916CCAA392904338FA86.png title=QQ图片20160108180601.png alt=QQ图片20160108180601.png/>
②
A与B有相同的特征值和特征向量
③
A与B都相似于一个对角矩阵
④
<img src=https://huaweicloudobs.ahjxjy.cn/4B56DE25F784656BFBE39FFF3C315374.png title=QQ图片20160108180612.png alt=QQ图片20160108180612.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B84D3F30674499098A62B4CBF6D950CE.png title=题干.png alt=题干.png width=794 height=101 style=width: 794px; height: 101px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/A5E2D80BB78C87A174D13B7D816C43F9.png style=width: 179px; height: 42px; title=1.png width=179 height=42/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/01E34C7338B31B4366A8843285A0C7C6.png title=3.png style=white-space: normal; width: 222px; height: 30px; width=222 height=30/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1CD7E6137890EED791F3795B632830DA.png title=2.png style=white-space: normal; width: 207px; height: 46px; width=207 height=46/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/DB5C14F6856142AD84BEA807B78BC820.png title=4.png style=white-space: normal; width: 225px; height: 40px; width=225 height=40/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/98EF0D24F3CD275A3797817D8BB308E5.png title=5.png alt=5.png/><img src=https://huaweicloudobs.ahjxjy.cn/F68FDC366238511C2C2D19C8EFD6B98A.png title=6.png alt=6.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/70961574E6CDDCCE2154984BA16CCE2B.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B34728A76C777EEA1EB78242089CAEB6.png title=a.png alt=a.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/4555BC7A540573F0273C05CDF7DEF04C.png title=b.png alt=b.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/97ECC4D2C4FC2CAA38BE02E41EAB0ADC.png title=c.png alt=c.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/01B7D605C7251A84F4DEE24E01454A86.png title=d.png alt=d.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E558DD394459C191E373556AF6F874B9.png title=QQ图片20160108164531.png alt=QQ图片20160108164531.png/><img src=https://huaweicloudobs.ahjxjy.cn/DEDB6F143AEBFB3A3588837B75988595.png title=QQ图片20160108164544.png alt=QQ图片20160108164544.png/>
①
３或４
②
１或２
③
１或３
④
２或４
【单选题】
设D是圆环<img src=https://huaweicloudobs.ahjxjy.cn/C1E9D12458DFD4A14CD3882562ECD317.png title=QQ图片20160224231208.png alt=QQ图片20160224231208.png/>，且<img src=https://huaweicloudobs.ahjxjy.cn/19CA4355701DCCA8E9BFC90709B1C2E6.png title=QQ图片20160224231228.png alt=QQ图片20160224231228.png/>则<img src=https://huaweicloudobs.ahjxjy.cn/D387AD7A8CB622BCD1F542C7C350B136.png title=QQ图片20160224231244.png alt=QQ图片20160224231244.png/>（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/9E7A64637000AEC0789E48D1E96AD66E.png title=QQ图片20160224231302.png alt=QQ图片20160224231302.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/AFF8BA7BECE58AC3901A521D7A606F30.png title=QQ图片20160224231314.png alt=QQ图片20160224231314.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7E7DDA627E10663C0016B52FA149DC3A.png title=QQ图片20160224231331.png alt=QQ图片20160224231331.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/12F7546764221D5997C3F99846C7FF70.png title=QQ图片20160224231344.png alt=QQ图片20160224231344.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/5041C3E5FE270018743F09BC6ABC6A22.png title=7.png alt=7.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8AD92FA5616C5E651B7E6CC2F880AA0A.png title=7-1.png alt=7-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/42F44E7555EE90919EB1010BD1F2E765.png title=7-2.png alt=7-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1BA89941D7315405711CAE6A50C23E1B.png title=7-3.png alt=7-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/69178C18E6BE1B9A8735052EC1BAFA7A.png title=7-4.png alt=7-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/2DE2583ACEBC6FF564FF6DF7A6A6A2AA.png title=24.png alt=24.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D35F8EE1BDD4A1DF91FD396569F0E4EA.png title=24-1.png alt=24-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F09EC92A72FC375646045EF0EFD0598A.png title=24-2.png alt=24-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/0D3FBF1FFD4E6504288E2CF97706337A.png title=24-3.png alt=24-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/C75A9C7308A3719BE22D13BD52CCA1E6.png title=24-4.png alt=24-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B665CF6A9827CB9E6BC9EFD8ED182FC8.png title=4-B.png alt=4-B.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/54CD90EB2749A68FE3D31A1B19E24C95.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/792E1A7D827F28604921762031D1B102.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B0D25337A6B3BD968D84D074A76C742C.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5F54B9ACEBB18789EBEBC7C749F45537.png title=4-4.png alt=4-4.png/>
