A. INCLUDEPICTURE \d "http://p.ananas.chaoxing.com/star3/origin/7e1585aa592a8de16805f878d5153121.png" \* MERGEFORMATINET
B. INCLUDEPICTURE \d "http://p.ananas.chaoxing.com/star3/origin/7b623f917684ab115358a8d6fcdf37fd.png" \* MERGEFORMATINET
C. INCLUDEPICTURE \d "http://p.ananas.chaoxing.com/star3/origin/7b623f917684ab115358a8d6fcdf37fd.png" \* MERGEFORMATINET
D. INCLUDEPICTURE \d "http://p.ananas.chaoxing.com/star3/origin/a95621bb03c98c3bd7f7d9da32de5c7b.png" \* MERGEFORMATINET
A. 4=M
B. M=-M
C. B=A=3
D. X+Y=0
A. (2,3,1)
B. (-2,-3,1)
C. (-2,-3,-1)
D. (4,6,2)
A. INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/f98c1b860c3cba2a68c63ba2bd6e3d5f.png" \* MERGEFORMATINET
B. INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/e498cc472af36f04e2161c2ca81d0969.png" \* MERGEFORMATINET
C. INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/a38cffa62d9d5b90a4e2ae53a957616a.png" \* MERGEFORMATINET
D. INCLUDEPICTURE \d "https://p.ananas.chaoxing.com/star3/origin/d2d39249faf5c702dcb18f93ee77acba.png" \* MERGEFORMATINET
B.
A. INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/66342" \* MERGEFORMATINET
B. INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/395215" \* MERGEFORMATINET
C. INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/211233" \* MERGEFORMATINET
D. INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/415549" \* MERGEFORMATINET
A. 相似矩阵必有相同的特征值
B. 相似矩阵必有相同的特征向量
C. 矩阵A的两个特征向量之和仍是A的特征向量
D. 上三角矩阵A的特征值正好是矩阵A中主对角线的非零元素