北理工《线性代数》在线作业-0004

adminhan

&nbsp;<img width="700" height="200" alt="" src="http://file.open.com.cn/ItemDB/140972/f4d670a0-5960-4e76-8c96-3d880c241a3e/20151110153727398.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="279" height="100" alt="" src="http://file.open.com.cn/ItemDB/140972/b4fa5522-5f11-442b-9764-217f20ed17ae/20151110152914276.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="432" height="174" alt="" src="http://file.open.com.cn/ItemDB/140972/4fcb4400-bdd8-418a-a4bb-f5e282be44a3/20151110152335104.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="644" height="189" alt="" src="http://file.open.com.cn/ItemDB/140972/0180a8fc-9f9f-4cac-85a6-bcbf70c48b91/20151110153635528.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="618" height="93" alt="" src="http://file.open.com.cn/ItemDB/140972/f185288e-8a42-422f-b160-b4fadf38b159/20151110152220377.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="776" height="109" alt="" src="http://file.open.com.cn/ItemDB/140972/8008c47e-4b5c-4e7f-a462-68ff4e60e91a/20151110153652969.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="462" height="338" alt="" src="http://file.open.com.cn/ItemDB/140972/b0c4e7c9-67ff-404c-acc6-11d90f8be48c/201511775626238.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="553" height="100" alt="" src="http://file.open.com.cn/ItemDB/140972/d909d3e7-7b1c-49c4-af5d-9b6d3f21be6d/20151110153710254.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="714" height="109" alt="" src="http://file.open.com.cn/ItemDB/140972/0fc6bf21-9aec-4c87-9fcc-0b9a281f79fc/20151110153137332.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="713" height="353" alt="" src="http://file.open.com.cn/ItemDB/140972/67e60dc2-cc55-4bbc-b151-90bfe54579aa/201511774831718.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="700" height="410" alt="" src="http://file.open.com.cn/ItemDB/140972/ecb2028d-e800-4ad6-9f36-b42769b6d8f7/20151178329511.png" />
A:A
B:B
C:C
D:D

&nbsp;<img alt="" width="519" height="268" src="http://file.open.com.cn/ItemDB/140972/a201d8ce-9316-4385-a16d-25a2ea9a49c0/20151110152412763.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="684" height="214" alt="" src="http://file.open.com.cn/ItemDB/140972/2123798a-5323-4fd3-bf39-71f94668413a/201511775315351.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="279" height="139" alt="" src="http://file.open.com.cn/ItemDB/201511792326506.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="598" height="244" alt="" src="http://file.open.com.cn/ItemDB/140972/2efb9dbd-498f-46b3-ac26-c93a2380c55d/20151178659525.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="390" height="261" alt="" src="http://file.open.com.cn/ItemDB/140972/7c1da853-18ba-4906-9743-9278b3f88415/20151110152113623.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="654" height="113" alt="" src="http://file.open.com.cn/ItemDB/140972/52dec8fa-9611-4f0b-b6a2-2b4f41ee288f/20151110153423287.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="459" height="522" alt="" src="http://file.open.com.cn/ItemDB/140972/eecd9bdf-6800-4b80-8270-5fc06a81fe87/201511792828896.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="724" height="459" alt="" src="http://file.open.com.cn/ItemDB/140972/baa3a8c6-bd6e-4cc7-92b2-e8da321a44db/2015117843801.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="422" height="380" alt="" src="http://file.open.com.cn/ItemDB/140972/fb6754b6-39c5-46a4-bad5-c600c8e51778/20151177553212.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="679" height="310" alt="" src="http://file.open.com.cn/ItemDB/140972/08c7a551-bdbb-446d-b454-97caabae5068/20151178033116.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="531" height="213" alt="" src="http://file.open.com.cn/ItemDB/140972/74fa64bf-9691-421e-801a-a33ff751e4ce/20151178214847.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="666" height="209" alt="" src="http://file.open.com.cn/ItemDB/140972/b559302f-cc25-468e-bdc6-791a79f4b211/201511775817891.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="674" height="312" alt="" src="http://file.open.com.cn/ItemDB/140972/3931f93f-a671-4385-aa17-f0f221f3543a/20151178518247.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="750" height="356" alt="" src="http://file.open.com.cn/ItemDB/140972/91970c33-d132-4623-814c-dcfbc161f711/201511792756168.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="676" height="345" alt="" src="http://file.open.com.cn/ItemDB/2015116202632719.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="684" height="76" alt="" src="http://file.open.com.cn/ItemDB/140972/8f1c3a11-4804-49cb-aec9-59e6229778ba/2015111015364827.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="469" height="287" alt="" src="http://file.open.com.cn/ItemDB/140972/65e1f0e3-b26e-41ae-9614-50c12fd77117/20151177592243.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="590" height="200" alt="" src="http://file.open.com.cn/ItemDB/2015116203118110.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="582" height="357" alt="" src="http://file.open.com.cn/ItemDB/140972/bdbecb74-95ed-4ee0-b759-2d0103ce5791/2015117757438.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="451" height="247" alt="" src="http://file.open.com.cn/ItemDB/140972/0ff707a8-4bfd-4281-91d7-a1029ad60f7a/201511620549260.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="712" height="174" alt="" src="http://file.open.com.cn/ItemDB/140972/95f472d5-8721-474b-adc7-4d27c8d271f6/201511620292826.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="523" height="469" alt="" src="http://file.open.com.cn/ItemDB/140972/14fb03c5-ac98-4c90-94bf-d07a6fa42729/201511791721632.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="341" height="459" alt="" src="http://file.open.com.cn/ItemDB/140972/bec29cdf-cde0-4b02-ac57-c78a505cfbda/20151177492867.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="601" height="79" alt="" src="http://file.open.com.cn/ItemDB/20151110153359918.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="658" height="350" alt="" src="http://file.open.com.cn/ItemDB/140972/ce429631-b22e-474d-aa5a-30df5df5b1ce/201511792721894.png" />
A:A
B:B
C:C
D:D

&nbsp; <img width="520" height="88" alt="" src="http://file.open.com.cn/ItemDB/20151110152751297.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="620" height="105" alt="" src="http://file.open.com.cn/ItemDB/140972/50aa8091-5684-4aa7-ae11-0403ead785cc/2015111015321248.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="541" height="417" alt="" src="http://file.open.com.cn/ItemDB/140972/7406f46b-5fc7-418c-8652-6588bee2efd8/201511792618184.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="432" height="80" alt="" src="http://file.open.com.cn/ItemDB/140972/b28b8c84-c243-449d-b912-35bc9d2de2fc/20151110152159145.png" />
A:A
B:B
C:C
D:D

&nbsp;<img width="559" height="51" alt="" src="http://file.open.com.cn/ItemDB/201511710240259.png" />
A:错误
B:正确

有非零解的齐次线性方程组的基础解系是唯一。
A:错误
B:正确

&nbsp;<img width="413" height="51" alt="" src="http://file.open.com.cn/ItemDB/201511710934500.png" />
A:错误
B:正确

&nbsp;<img width="458" height="80" alt="" src="http://file.open.com.cn/ItemDB/20151179524483.png" />
A:错误
B:正确

若行列式主对角线上的元素全为0，则此行列式为0。
A:错误
B:正确

&nbsp;<img width="206" height="49" alt="" src="http://file.open.com.cn/ItemDB/20151179592794.png" />
A:错误
B:正确

A是m&times;n矩阵，B是n&times;s矩阵，则AB是m&times;s矩阵。
A:错误
B:正确

&nbsp;<img width="507" height="39" alt="" src="http://file.open.com.cn/ItemDB/140972/ec2e39c4-1b12-43dd-b197-984eedd1ab8b/2015117101244225.png" />
A:错误
B:正确

行阶梯形矩阵中非零行的个数就是它的秩。
A:错误
B:正确

&nbsp;<img width="512" height="76" alt="" src="http://file.open.com.cn/ItemDB/140972/502ec258-a6da-4520-8e48-08281de1d1a9/201511710325219.png" />
A:错误
B:正确