匿名用户 2021-10-08 21:48 数学类Mathematics

Compute an indefinite integral earctan ve 3-Idx.

匿名用户 2021-10-08 21:48 数学类Mathematics

Let the 2nd order matrix A have two different eigenvalues, a1 and az which are linearly independent eigenvectors of A an... 查看全部

匿名用户 2021-10-08 23:48 数学类Mathematics

Let the 2nd order matrix a have two different eigenvalues, a1, a2 are linearly independent eigenvectors of A, and meet t... 查看全部

匿名用户 2021-10-08 21:47 数学类Mathematics

Let the 2nd order matrix have two different eigenvalues, a1 and which are linearly independent eigenvectors of A and sat... 查看全部

匿名用户 2021-10-08 21:47 数学类Mathematics

Letf(x,y,z)=xyi-y+zxk, to calculate rotF(1,1,0)

匿名用户 2021-10-08 21:46 数学类Mathematics

Let the function f(x) have the 2nd continuous derivative. If the curve y=f(x) passes at(0,)and is tangent to the curve =... 查看全部

匿名用户 2021-10-08 21:46 数学类Mathematics

If lim(1-tan x )ink, to calculate. 01 tan x

匿名用户 2021-10-08 21:46 数学类Mathematics

Let the probability density f(x) of random variable x satisfy f( +x) =f(1-x), and f(x)dx =0. 6, to calculate P{ <0}.

匿名用户 2021-10-08 21:45 数学类Mathematics

Let M= (+x) dx,= xdx, K =(1+ cos x) dx, compare the size1+x of M, N, and K.

匿名用户 2021-10-08 21:45 数学类Mathematics

To calculate (-1 ) 2n+3=0(2n+1)!