济南大学
  1. 对任意的同阶方阵A,B,都有(A+B)(A-B)=A2-B2.

  2. A:错 B:对
    答案:错
  3. 设两个n阶方阵A与B有相同的特征多项式,则A与B 合同。

  4. A:对 B:错
    答案:错
  5. 齐次线性方程组AX=0有非零解的充要条件是A中至少有一个列向量是其他列向量的线性组合。

  6. A:对 B:错
    答案:对
  7. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/dc7932d4599148909f8e22bb8b82c590.png

  8. A:错 B:对
    答案:对
  9. n阶矩阵A 与对角矩阵相似的充分必要条件是A有n个线性无关的特征向量。

  10. A:错 B:对
    答案:对
  11. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/432de3e4709c4c3caa173aa3d6418e07.png

  12. A:错 B:对
    答案:对
  13. 设两个n阶方阵A与B相似,则A与B等价。

  14. A:对 B:错
    答案:对
  15. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/32d39739c3c040d0a9e2f4a716406d95.png

  16. A:对 B:错
    答案:对
  17. 设A,B均为n阶非零矩阵,且AB=O,则R(A),R(B)必有一个为0.

  18. A:对 B:错
    答案:错
  19. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d641e0659c4449efb9e482964f4d900f.png

  20. A:对 B:错
  21. 设A是m×n矩阵,B是n×m矩阵,则线性方程组(AB)X=0当n>m时仅有零解。

  22. A:错 B:对
  23. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/3978abf35a894283823972fff37f6b2b.png

  24. A:错 B:对
  25. n阶矩阵A 与对角矩阵相似的充分必要条件是A有n个特征值。

  26. A:对 B:错
  27. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b51d282702e84a47abbc4c6673c92150.png

  28. A:对 B:错
  29. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d121031e457f4de28adc1db9f2e5c681.png

  30. A:对 B:错
  31. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/88b4a6a4103d40e18cca34f26750b23e.png

  32. A:图片.png
    B:图片.png
    C:图片.png
    D:图片.png
  33. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/c94bafad086e43baa3fec8f9924bd7d9.png

  34. A:2
    B:1
    C:0 D:3
  35. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/f8816d82a4f04ae491ea5f368ef9640c.png

  36. A:36,18,12 B:36,-18,12
    C:36,18,-12
    D:-36,18,12
  37. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6274b7e370114226b2f200f6cf3dee5b.png

  38. A:1,-2,2
    B:1,2,1
    C:1,2,-2
    D:-1,2,2
  39. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/ad831256431c421f9ac2d55e2cb45b93.png

  40. A:6
    B:2
    C:3
    D:4
  41. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e404a19daab640d99833bbdc3be3288a.png

  42. A:图片.png B:图片.png C:图片.png D:图片.png
  43. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/12f82f5453164f28b40757776da20ff5.png

  44. A:图片.png B:图片.png C:图片.png D:图片.png
  45. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/98e51ea488204f948fdd191e76135b9f.png

  46. A:图片.png B:图片.png
    C:图片.png D:图片.png
  47. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/9e31fa13be23458bb27eadec8233aa82.png

  48. A:图片.png B:图片.png C:图片.png D:图片.png
  49. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/72e304a1c68c4644bff25cd1ea1fcc84.png

  50. A:f的秩为1 B:f既不正定,也不负定
    C:f为负定的
    D:f为正定的
  51. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1012f8ccc8f5432b808a6ce32647f1dc.png

  52. A:图片.png B:图片.png
    C:图片.png
    D:图片.png
  53. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1f030d179b21452ea37fd8bc687bc44a.png

  54. A:3
    B:2
    C:1
    D:0
  55. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0a4714632f6145d48a84b22ffe902a83.png

  56. A:图片.png B:图片.png C:图片.png D:图片.png
  57. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/f7f96b7f85874e20801dcfdf3c440430.png

  58. A:图片.png
    B:图片.png C:图片.png
    D:图片.png
  59. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0f5557f4c27449f78e3f7bc947edf5de.png

  60. A:图片.png
    B:图片.png
    C:图片.png
    D:图片.png
  61. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/5cf4c716c3314ec1be343e637107768b.png

  62. A:2
    B:-1
    C:0
    D:1
  63. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/11324229402042df81c5a1dd4494e141.png

  64. A:2
    B:3
    C:4
    D:1
  65. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/4ea7d6ba574540d7b81c9ec8d530961f.png

  66. A:图片.png
    B:图片.png
    C:图片.png
    D:图片.png
  67. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/8c2f89a9fede4ca3b51c5c4258207f55.png

  68. A:-4
    B:1
    C:2
    D:-3
  69. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/88bdee344bf04c3383af040551e4d15f.png

  70. A:图片.png B:图片.png C:图片.png D:图片.png
  71. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/616631e4f92a483288bb0d2ce1e98e80.png

  72. A:图片.png
    B:图片.png
    C:图片.png
    D:图片.png
  73. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/51bf15077e1746d6b6ddeee40c9eac58.png

  74. A:图片.png B:图片.png C:图片.png D:图片.png
  75. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/34ffc3ce53d3497e8b783b0ed6c95c93.png

  76. A:(-1,1)
    B:(-2,2) C:(2,-2)
    D:(1,-1)
  77. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/bb5eeb215fa94bc28028c648451e6376.png

  78. A:2,1,-2
    B:2,1,2
    C:-2,-1,2
    D:2,-1,-2
  79. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/754ef7f45a3d4a58851672179a7766f7.png

  80. A:-1/6, 1/6, -1/3
    B:-1/6, -1/3, 1/6
    C:1/6, 1/3, -1/6
    D:1/6, -1/6 ,-1/3
  81. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7b0f6f895138408787cc2f24d71a7979.png

  82. A:图片.png
    B:图片.png C:图片.png D:图片.png
  83. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/5c254f30e9b24b53a5524e145666c28d.png

  84. A:4
    B:1
    C:2 D:-2
  85. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/aa8b7ad9f69b4259a0a43f830acdb141.png

  86. A:图片.png
    B:图片.png
    C:图片.png D:图片.png
  87. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/faef8e80fd6e4d61a2642d10f862f879.png

  88. A:1,-1,2
    B:-1,1,-2
    C:1,1,-2
    D:-1,1,2
  89. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/9cec6cba728c4067aa3d27d3ce64fe2f.png

  90. A:图片.png B:图片.png C:图片.png D:图片.png
  91. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/92188f92d4904cfd9e7b81f14bbbea4e.png

  92. A:1
    B:4 C:3
    D:2
  93. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e339899a42024094aa63b71e779f1054.png

  94. A:6
    B:3
    C:2
    D:1
  95. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/257ec0d60fed4ce9a75ad9eeaa8a9d04.png

  96. A:-1,2,2
    B:-1,2,1
    C:1,-2,-2
    D:1,-2,1
  97. http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/31a8eef63f064015a1c808c058fd5a4a.png

  98. A:2
    B:1
    C:3
    D:4
  99. 设A为3阶矩阵,且|A|=2,|A+E|=3,则|-2A2-2A|=(   ).

  100. A:-12
    B:48
    C:12
    D:-48

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