匿名用户 2021-09-04 02:07 数学类Mathematics

12-3 Let the characteristic equation of the matrix A =-1 4 -3I have A vertical product. To evaluate a.1a5

匿名用户 2021-09-04 02:06 数学类Mathematics

Compute surface integral: Where is the surface=1-x2-y2(z0) upper side.

匿名用户 2021-09-04 02:05 数学类Mathematics

When an airplane lands at an airport, in order to reduce the taxiing distance, the tail of the airplane opens a reductio... 查看全部

匿名用户 2021-09-04 02:03 数学类Mathematics

Let e (b-a).

匿名用户 2021-09-04 02:01 数学类Mathematics

Let the random variable Xi, X.,..X.(n>)Independent and identically distributed, and its variance is2>0,lety=x, to ... 查看全部

匿名用户 2021-09-04 02:00 数学类Mathematics

Let the random variable be normally distributed N(,1), for a given a(0<<1), the number Ha meets>u}=a. If

匿名用户 2021-09-04 02:00 数学类Mathematics

 Let A be the square matrix of rank 3. Swap the first column of A with the second column to get B, and add the second c... 查看全部

匿名用户 2021-09-04 01:56 数学类Mathematics

Let() be a continuous function, F() dy [(x),, Compute the value of F(2).

匿名用户 2021-09-04 01:54 数学类Mathematics

Let the random variable X obey the exponential distribution with parameter A, and calculateX>√d(x)}

匿名用户 2021-09-04 01:51 数学类Mathematics

210 Let matrix A=1 2 ,matrix B satisfies ABA'=2BA'+E, where A' Is the adjoint001 matrix of A, E is the identity matrix, ... 查看全部