图片识别成文本： Let a and B be three-dimensional column vectors, and(a, B) =-1, and A E-aB, find(A+E)
2021-08-02 21:14
0
赞同1
回答
2021-08-02 21:11
0
赞同1
回答
2021-08-02 21:10
0
赞同1
回答图片识别成文本： Let A, B, and A* be n(n 3) order non-zero matrix, and AB=0, find r(B).
2021-08-02 20:56
0
赞同1
回答
2021-08-02 20:53
0
赞同1
回答图片识别成文本： Let the plane figure A be modified by x'+y's2x and y2x, what is the formula for the volume of the body of rotat... 查看全部
2021-08-02 20:50
0
赞同1
回答Find the particular solution form of the differential equation y"-4y'=x2 +cos2x.
2021-08-02 20:46
0
赞同1
回答图片识别成文本： A function(1) in (0, +) is the second order continuous differentiable, function a-c=f(vx+y) meet the ax2, 0, if... 查看全部
2021-08-02 19:17
0
赞同1
回答
2021-08-02 19:16
0
赞同1
回答Let the function f(x)(x≥0) continuously differentiable, f(0)=1, and given that the area value of the graph enclosed by t... 查看全部
2021-08-02 17:39
0
赞同1
回答
匿名用户