矩阵的伴随矩阵是由行列式的元素的余子式所构成的矩阵。 - 查题网

>> 成人高等教育 / 高等数学三：线性代数

成人高等教育 / 高等数学三：线性代数

正确率：100%

矩阵 $A$ 的伴随矩阵是由行列式 $\left| A \right| =\left| { a }_{ ij } \right|$ 的元素 ${ a }_{ ij }$ 的余子式所构成的矩阵。

A、正确
B、错误

积分

高等数学三：线性代数

参考答案：

点击查看答案

佳题速递：

下列属于小生行当代表人物的是中华优秀传统文化

题型描述: 阅读理解Michele Langlois is a young Canadian who works for the police as a handwriting expert. She has helped catch many criminals by using her special skill.When she was only fourteen, Michel was already so interested in the differences in her school friends’ handwriting that she would spend hours studying them. After finishing college she went to France for a special two-year class to learn how to analyze handwriting at the School of Police Science. On her return, she began her work for the Quebec police.Michele says that it is impossible for people to disguise their handwriting. She can discover most of what she needs to know simply by looking at the writing with her own eyes, but she also has machines that help her analyze different kinds of paper and ink. This knowledge is often of help to the police.Michele also believes that handwriting is a good sign of the kind of person the writer is. “I wouldn’t go out with a fellow if I didn’t like his handwriting,” she says. But she adds that she fell in love with her future husband, William Smith, before she studied his handwriting. It later proved to be all right, however. (201 words)1、 The underlined word “it” in the last sentence refers to _ _ _ _ _ _ A. William’s love for Michele B. William’s handwriting C. Michele’s analyzing skill D. Michele’s job 2、 Besides helping the police Michele uses her skill to _ _ _ _ _ _ _ . A. teach her friends B. decide if a person will do something wrong C. look for a husband D. tell what kind of person the writer is from his handwriting 3、 Where did Michele learn to analyze people’s handwriting? A. In Quebec Police Station B. At work C. In the middle school D. In a police school 4、 The best title for the text would be _ _ _ _ _ _ _ . A. Handwriting Reader B. Friends of Police C. Police Science D. Art of Handwriting 5、 Michele usually analyze handwriting by _ _ _ _ _ _ _ . A. studying the ink used B. examining the paper used C. using a machine D. looking at it统考英语A

下列不属于负债管理理论缺陷的是( )。(A) 提高融资成本 (B) 增加经营风险 (C) 降低资产流动性 (D) 不利于银行稳健经营金融学

权变管理理论的提出基于以下哪种设想（）管理学原理

车轮前束是为了调整( )所带来的不良后果而设置的。汽车概论

高等数学