A、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/dc4c767a24005aba5fa0285b2a0df697.png" \* MERGEFORMATINET
B、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/85d1a9e266abb9d3311cba64ea9f3ef8.png" \* MERGEFORMATINET
C、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/23681fcf6d0a3bdceae5aa7dbceeb69b.png" \* MERGEFORMATINET
D、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/aed89f8a77fc5803c19a70d021a5c354.png" \* MERGEFORMATINET
答案:A
A、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/dc4c767a24005aba5fa0285b2a0df697.png" \* MERGEFORMATINET
B、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/85d1a9e266abb9d3311cba64ea9f3ef8.png" \* MERGEFORMATINET
C、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/23681fcf6d0a3bdceae5aa7dbceeb69b.png" \* MERGEFORMATINET
D、 INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/aed89f8a77fc5803c19a70d021a5c354.png" \* MERGEFORMATINET
答案:A
A. 40
B. 50
C. 60
D. 70
A. 0
B. (1,-1)
C. INCLUDEPICTURE \d "https://mooc1-2.chaoxing.com/ananas/latex/p/113749" \* MERGEFORMATINET
D. INCLUDEPICTURE \d "http://p.ananas.chaoxing.com/star3/origin/67a557abb156385a453c741fec934ab8" \* MERGEFORMATINET
A. 矩阵A的一个特征向量只能属于A的一个特征值
B. 每个n阶矩阵均有特征向量
C. 属于矩阵A的不同特征值的特征向量一定线性无关
D. INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/532db1edb5a03b0582fbf7d7c4c77695.png" \* MERGEFORMATINET
A. 0
B. 1
C. 1.96
D. 2.58
A. z=ABx
B. z=BAx
C. x=ABz
D. x=BAz