匿名用户 2021-09-11 20:35 数学类Mathematics

The ellipsoid S1 is formed by the rotation of the ellipse=1 about the X-axis, and the conical S1 is formed by the rotati... 查看全部

匿名用户 2021-09-11 20:35 数学类Mathematics

Let an be the area of the region bounded by the curve y=xn and y=xn+(n=1, 2..);n=1n,2a=/ 2n-1 find the values of S1 and ... 查看全部

匿名用户 2021-09-11 20:34 数学类Mathematics

Let X1, X2, . Xn. And Xm is simple random samples from the binomial distribution population B(n,p), X and S2are sample m... 查看全部

匿名用户 2021-09-11 20:34 数学类Mathematics

Find the extremum of the binary function f(x, y)=(+y2)+ylny.

匿名用户 2021-09-11 20:33 数学类Mathematics

If the 3-dimensional column vector a,B satisfies A'B=2, where a" is a transpose, then find the non-zero eigenvalues of t... 查看全部

匿名用户 2021-09-11 20:33 数学类Mathematics

Let (x,y, z)+y'+2'<1} compute zdxdydz.

匿名用户 2021-09-11 20:32 数学类Mathematics

Given the curve:y=x2(0≤x≤2), compute xds

匿名用户 2021-09-11 20:32 数学类Mathematics

If the general solution of the second order homogeneous linear differential equation with constant coefficients y"+ ay'+... 查看全部

匿名用户 2021-09-11 20:31 数学类Mathematics

Let the function(u,v) have second continuous partial derivative,z=f(x,xy), compute2 axdy

匿名用户 2021-09-11 20:31 数学类Mathematics

Let the random variables X and Y be independent of each other, and X follows the standard normal distribution N(,1), and... 查看全部