Let the function fu)be continuous and the region D={(x,y)x2+y2≤2y},tocalculate f(xy)dxdy.D
210Let A=120matrix B satisfies ABA*2BA*+E,where A*is the adjoint001matrix of A and E is the identity matrix,to calculate... 查看全部
Compute the differential equation (y+x3)dx-2xdy 0 satisfying the particular solutionof y65
Let the function z=z(x,y)be determined by the equation z e-+2y tocalculate 3,0z+dxay
x=t3+3t+1Let the function y(x)be determined by the parametric equationy=t3-3t+1Compute the range of x that is convex upw... 查看全部
Let f(x)=lim(n-1)x2compute the discontinuity point x of f(x).nx2+1
The equations of three different lines on the plane are given as:l1:ax+2by+3c=0,l2:bx+2cy+3a=0,l3:cx+2ay+3b=0.Test:The n... 查看全部
220If the matrix:A=82 ais similar to the diagonal matrix A,006try to determine the value of the constant a and find the ... 查看全部
Let the function f(x)be continuous on the closed interval a,b],differentiable in the openinterval (a,b),and f"(x)>0.I... 查看全部