中国石油大学(华东)
- 任何矩阵都可以取行列式,并通过行列式的计算简化计算。
- 秩相等的两个矩阵等价。
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/4e5bf8afddde4b22ad6a41f97d6ca81a.png
- 若分块矩阵只有主对角线上有非零子块,其余子块都为零子块,则称其为块对角矩阵。 ( )
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/a5772f0a32d8460b89395b70e163bc5d.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/db193397fd2d4e1c8d5cff4613cb0f4c.png
- 若AB=0,则A=0或者B=0.
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/af6a532f2143488eb7f4cd50fa79c679.png
- 行列式主对角线上的元素全为0,则行列式的值为0;( )
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/c6dfc1ef46b242fe92c1d0035c0769b8.png
- 克莱默法则不管对于齐次方程组还是非齐次的,方程的个数必须等于未知数个数时候,才可以使用。( )
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/37b5212183344753b319fdb42a55442b.png
- 向量组中任意向量可由该向量组线性表示. ( )
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/4aa1eb9a61da4e46a7312de94cbc50ca.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/30c937ca0309490c883deed78b392033.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/9b5b313355f84a05bd5330d2896f27e5.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/836ac0e0702940d7b2d5931c356833b8.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/20e293a83d34487aa2469b0d31d5f49e.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/b6635daaba6f4e7eb926b9998dfdaeb6.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/4a1271fed699414b90be3e70e469ae58.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/558a64b630c44a1bb63b8764f923969b.png
- 设A和B均为同阶方阵,下面结论正确的是( ).
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/74fca5c27e04437290015723f49bb7ff.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/68baff6147114cd6a4e71e025bf2b2ea.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/a4a9bfd537804e0184300bc47cfe7331.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/ef216eacb0c74f3c864f92e226100cf9.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/26bf485728d542078a51806d0647da0d.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/3bc0685063e64ae996e15d7637ea63b1.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/171c7fb14171445bb512741a0c142c8c.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/e02d9d94179e4affb45871a5ad076786.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/7743b9c443364932a9f7beade8ac15eb.png
A:错 B:对
答案:错
A:错 B:对
答案:错
A:错 B:对
答案:错
A:错 B:对
答案:错
A:错 B:对
答案:对
A:错 B:对
答案:对
A:错 B:对
答案:对
A:对 B:错
答案:对
A:错 B:对
答案:错
A:错 B:对
A:错 B:对
A:对 B:错
A:对 B:错
A:对 B:错
A:错 B:对
A:对 B:错
A:对 B:错
A:错 B:对
A:错 B:对
A:错 B:对
A:对 B:错
A:错 B:对
A:错 B:对
A:对 B:错
A:错 B:对
A:对 B:错
A:对 B:错
A:对 B:错
A:错 B:对
A:对 B:错
A:错 B:对
A:对 B:错
A:对 B:错
A:对 B:错
A:错 B:对
A: B: C: D:
A:-2 B:8 C:0 D:2
A:I中任何向量组都是线性无关的 B:I中只有一个向量可以由其他向量线性表示 C:I中每个向量可以由其他向量线性表示 D:I中至少有一个向量可以由其他向量线性表示
A:
B: C: D:
A: B: C: D:
A:BCA=E B:CBA=E C:BAC=E D:ACB=E
A: B: C: D:
A: B: C: D:
A:都是小于n B:必有一个等于n C:都是等于n D:一个小于n,一个等于n
A: B: C: D:
A:1 B:2 C:0 D:-1
A: B: C: D:
A:A+2E B:E-A C:A-3E D:2E-A
A: B: C: D:
A:1 B:s+1 C:s D:0
A:2,5,-1 B:2,5,1 C:2,-5,-1 D:-2,5,-1
A: B: C: D:
A:4 B:-3
C:3 D:-4
A:A的列向量组线性无关 B:A的行列式等于零 C:A的秩小于n D:可逆
A: B: C: D:
A:2 B:6 C:1 D:-6
A: B: C: D:
A:1 B:-2 C:3 D:-3
A:24 B:-24 C:-48 D:48
A:2,3; B:2,1. C:1,3; D:1,2;
A: B: C: D:
A:0 B:1 C:3 D:2
A: B: C: D:
A:1/4 B:4/3 C:3/4 D:1/2
A:25 B:0 C:40 D:10
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