A. 36
B. 37
C. 38
D. 39
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
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
A. “甲种产品滞销,乙种产品畅销”
B. “甲、乙两种产品均畅销”
C. “甲种产品滞销”
D. “甲种产品滞销或乙种产品畅销”
A. 2
B. -2
C. 1/2
D. -1/2
A. 最多有n-1条
B. 至少有n-1条
C. 最多有n条
D. 至少有n条