Find the maximum and minimum of the function u=x+y+z under the constraints z=x+yand x+y+z=4.
(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
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
To calculate max{xy,1}dxdy,where D=I(x,y)I0≤x≤2,0≤y≤2.D
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
Calculating the limit lim[sin x sin(sin x)]sin xx-0x
Set3 order the eigenvalues of the matrix A is2,3,,if determinant A=-48,calculate.
2Compute the coordinates of the inflection point of the curve y =(x-5)xa.