重要提示: 请勿将账号共享给其他人使用,违者账号将被封禁!
查看《购买须知》>>>
找答案首页 > 全部分类 > 学历类考试
搜题
网友您好, 请在下方输入框内输入要搜索的题目:
搜题
题目内容 (请给出正确答案)
[主观题]

设3阶矩阵若A的伴随矩阵的秩等于1,则必有().A.a=b或a+2b=0B.a=b或a+2b≠0C.a≠b且a+2b=0D.a≠b且a+2

设3阶矩阵设3阶矩阵若A的伴随矩阵的秩等于1,则必有().A.a=b或a+2b=0B.a=b或a+2b≠0C.若A的伴随矩阵的秩等于1,则必有().

A.a=b或a+2b=0

B.a=b或a+2b≠0

C.a≠b且a+2b=0

D.a≠b且a+2b≠0

查看答案
更多“设3阶矩阵若A的伴随矩阵的秩等于1,则必有().A.a=b或a+2b=0B.a=b或a+2b≠0C.a≠b且a+2b=0D.a≠b且a+2”相关的问题

第1题

155You have assembled your thoughts into a message. As you pass this information to a seco

155 You have assembled your thoughts into a message. As you pass this information to a second party, you are giving this person your:

A. Input

B. Output

C. Data

D. Feedback

E. A and C

点击查看答案

第2题

As a TestKing instructor you are giving a lecture on the historical context of Cisco. You
point out that a computer scientist started the Cisco Corporation. One of the attendants asks you when and where Cisco was founded. What should you respond? ()

A.Massachusetts Institute of Technology

B.Harvard

C.1978

D.Stanford

E.1991

F.California Polytechnic Institute

G.1984

H.1996

点击查看答案

第3题

37You have assembled your thoughts into a message. As you pass this information to a secon

37 You have assembled your thoughts into a message. As you pass this information to a second party, you are giving this person your:

A. Input

B. Output

C. Data

D. Feedback

E. A and C

点击查看答案

第4题

Mr. Hart has trained her. He's her ______.

A.leader

B.guide

C.trainee

D.instructor

点击查看答案

第5题

You have assembled your thoughts into a message. As you pass this information to a second
party, you are giving this person your:

A Input

B Output

C Data

D Feedback

E A and C

点击查看答案

第6题

An example of misplaced manners on the roads is ______.A.slowing down to let a kid passB.s

An example of misplaced manners on the roads is ______.

A.slowing down to let a kid pass

B.stopping suddenly at pedestrian crossings

C.turning up side streets without giving signals

D.unnecessarily giving way to other cars without warning those behind you

点击查看答案

第7题

An example of misplaced manners on the roads is ______.A.slowing down to let a kid passB.s

An example of misplaced manners on the roads is ______.

A.slowing down to let a kid pass

B.stopping suddenly at pedestrian crossings

C.turning up side streets without giving signals

D.unnecessarily giving way to other cars without warning those behind you

点击查看答案

第8题

To guide the passengers to the assigned seat, we may say, “___________.”

A、Your boarding pass, please?

B、I’m afraid you are sitting in the wrong seat.

C、Your seat number is 12A, it’s a window seat on the right.

D、If you need to upgrade, please contact our flight attendant.

点击查看答案

第9题

An example of misplaced manners on the roads is ______.A.slowing down to let a kid passB.s

An example of misplaced manners on the roads is ______.

A.slowing down to let a kid pass

B.stopping suddenly at pedestrian crossings

C.turning up side streets without giving signals

D.unnecessarily giving way to other cars without warning those behind you

点击查看答案

第10题

What does this sign mean? [图]A、You may pass (the ...

What does this sign mean?

A、You may pass (the road) and the car may pass, too.

B、You mustn't pass (the road) and the car mustn't pass, either.

C、You may pass (the road) and the car may not pass.

D、You may not pass (the road) and the car may pass.

点击查看答案
下载上学吧APP
客服
TOP
重置密码
账号:
旧密码:
新密码:
确认密码:
确认修改
购买搜题卡查看答案
购买前请仔细阅读《购买须知》
请选择支付方式
微信支付
支付宝支付
选择优惠券
优惠券
请选择
点击支付即表示你同意并接受《服务协议》《购买须知》
立即支付
搜题卡使用说明

1. 搜题次数扣减规则:

功能 扣减规则
基础费
(查看答案)
加收费
(AI功能)
文字搜题、查看答案 1/每题 0/每次
语音搜题、查看答案 1/每题 2/每次
单题拍照识别、查看答案 1/每题 2/每次
整页拍照识别、查看答案 1/每题 5/每次

备注:网站、APP、小程序均支持文字搜题、查看答案;语音搜题、单题拍照识别、整页拍照识别仅APP、小程序支持。

2. 使用语音搜索、拍照搜索等AI功能需安装APP(或打开微信小程序)。

3. 搜题卡过期将作废,不支持退款,请在有效期内使用完毕。

请使用微信扫码支付(元)
订单号:
遇到问题请联系在线客服
请不要关闭本页面,支付完成后请点击【支付完成】按钮
遇到问题请联系在线客服
恭喜您,购买搜题卡成功 系统为您生成的账号密码如下:
重要提示: 请勿将账号共享给其他人使用,违者账号将被封禁。
发送账号到微信 保存账号查看答案
怕账号密码记不住?建议关注微信公众号绑定微信,开通微信扫码登录功能
警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

- 微信扫码关注上学吧 -
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反上学吧购买须知被冻结。您可在“上学吧”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
- 微信扫码关注上学吧 -
请用微信扫码测试
选择优惠券
确认选择
谢谢您的反馈

您认为本题答案有误,我们将认真、仔细核查,如果您知道正确答案,欢迎您来纠错

上学吧找答案