登录 注册

-理学Science- 数学类Mathematics 化学类Chemistry 物理类Physics 生命科学Life Science 城市规划Urban Planning 建筑与景观设计Architecture and Landscape Design 心理与认知科学类Psychology and Cognitive Science 地球与空间科学Earth and Space Science
-信息与工程Information and Engineering- 信息科学技术类Information Science and Technology 计算机类Computing 人工智能类Artificial Intelligence 材料科学与工程Materials Science and Engineering 件与微电子Software and Microelectronics 自动化Automation 集成电路Integrated Circuits 土木工程Civil Engineering 水利水电工程Water Conservancy & Hydropower Engineering 建筑管Construction Management 环境工程Environmental Engineering 机械工程Mechanical Engineering 能源与动力工程Energy and Power Engineering 车辆与运载Vehicles and Transportation 工业工程Industrial Engineering 工程力学Engineering Mechanics 航天宇航工程Aerospace Engineering 电子工程Electronic Engineering 电气工程Electrical Engineering
-商科Business- 经济Economics 管理科学Management Science 金融Finance 会计Accounting 创新创业Innovation and Entrepreneurship 领导力与组织管理Leadership and Organization Management 市场营销Marketing
-人文及社科Arts, Humanities and Social Science- 历史History 哲学Philosophy 电影学Film 政治Politics 法律Laws 文学Literature 社会学Sociology 国际关系学International Relations 教育学Education 艺术学Fine Arts 语言类Languages 传媒类Media
-医学Medicine- 药学Pharmacy 护理学Nursing 基础医学Basic Medicine 临床医学Clinical Medicine 生物医学工程Biomedical Engineering
会计Accounting
经济Economics
金融Finance
领导力与组织管理Leadership and Organization Management
土木工程Civil Engineering
计算机类Computing
其他 All Others
Calculate the integral....
匿名用户 匿名用户 2021-07-19 18:01 数学类Mathematics

  • 2021-07-19 18:01

  • 0

    赞同

  • 1

    回答
Let z=f（√x²+y²）， where f(u) has a continuous second derivative,......
匿名用户 匿名用户 2021-07-19 17:59 数学类Mathematics

  • 2021-07-19 18:00

  • 0

    赞同

  • 1

    回答
Let...
匿名用户 匿名用户 2021-07-19 17:58 数学类Mathematics

  • 2021-07-19 17:59

  • 0

    赞同

  • 1

    回答
Let the random variables X₁ and X₂ be independent of each other,and X₁ obeys the standard....
匿名用户 匿名用户 2021-07-19 17:57 数学类Mathematics

  • 2021-07-19 17:57

  • 0

    赞同

  • 1

    回答
We know that is a third-order matrix, α₁,α₂,α₃ is a 3-diemensional linearly independent column...
匿名用户 匿名用户 2021-07-19 17:56 数学类Mathematics

  • 2021-07-19 17:56

  • 0

    赞同

  • 1

    回答
What is an ordinary differential equation whose general solution is.....
匿名用户 匿名用户 2021-07-19 17:54 数学类Mathematics

  • 2021-07-19 17:54

  • 0

    赞同

  • 1

    回答
We know that the probability density of our random variable....
匿名用户 匿名用户 2021-07-19 17:52 数学类Mathematics

  • 2021-07-19 17:53

  • 0

    赞同

  • 1

    回答
Let the quadratic form f（X₁,X₂,X₃）=X^t AX₁²=3X₁²＋aX₂²+3X₃³-4X₁X₂-8X₁X₃-4X₂X₃ where is...
匿名用户 匿名用户 2021-07-19 17:36 数学类Mathematics

  • 2021-07-19 17:37

  • 0

    赞同

  • 1

    回答
Let f(x+1/x)=㏑|x|-1/2㏑(x⁴+1) ,Calculate f(x)
匿名用户 匿名用户 2021-07-19 17:30 数学类Mathematics

  • 2021-07-19 17:30

  • 0

    赞同

  • 1

    回答
Find the value of the second derivative.....
匿名用户 匿名用户 2021-07-19 17:27 数学类Mathematics

  • 2021-07-19 17:27

  • 0

    赞同

  • 1

    回答