匿名用户 2022-01-01 17:18 数学类Mathematics

Compute the tangent equation of the curvex=e du,at the point(0,0).y=t21n(2-t2)

匿名用户 2022-01-01 17:17 数学类Mathematics

Let fix.y)be continuous,to calculate dr f(x,y)dy +dy(s,y)dr

匿名用户 2022-01-03 12:27 数学类Mathematics

Let A be the third-order matrix,and a1,az be the eigenvectors of A that belong to theeigenvalues -1,1 respectively,vecto... 查看全部

匿名用户 2022-01-01 17:16 数学类Mathematics

Let the n-element linear equations Ax =b,where2a1a22a1X1a22a10A=,xX2=b=a22a1xa22a(①)Prove the determiA=(n 1)a"(i)When a ... 查看全部

匿名用户 2022-01-01 17:16 数学类Mathematics

Find the maximum and minimum of the function u=x+y+z under the constraints z=x+yand x+y+z=4.

匿名用户 2022-01-01 17:15 数学类Mathematics

(i)The integral mean value theorem:if the function f(x)in the closed intervalcontinuous on [a,b],the na[a,b],there are a... 查看全部

匿名用户 2022-01-01 17:15 数学类Mathematics

Let f(x)be a monotonically increasing function with continuous derivatives on the interval0,+oo],and f(0)=1,for any te0,... 查看全部

匿名用户 2022-01-01 17:14 数学类Mathematics

To calculate max{xy,1}dxdy,where D=I(x,y)I0≤x≤2,0≤y≤2.D

匿名用户 2022-01-01 17:13 数学类Mathematics

x =x(t),Let the function y =y(x)be determined by the parametric equationy=In(1 u)dudxdyWhere x(t)is the solution of the ... 查看全部

匿名用户 2022-01-01 17:14 数学类Mathematics

x arcsin xTo calculatedx.01-x