Let f(x)=(2-x)In (1-x-2x2), calculation f()().
Set 3 order the eigenvalues of the matrix A is-1, -1, 3, its corresponding linearly independent eigenvectors is a1,a2,an... 查看全部
Let the third order homogeneous linear differential equation with constant coefficients have a particular solution y, =e... 查看全部
Calculate the volume of the body of rotation around the X-axis surrounded by curves y=x2 and y =vx. Calculate the volume... 查看全部
Let z xy xF(), where is a differentiable function, calculation x az+yay az ax
If f(x)= arcsinx, for=0, f (x =f'()x(<<1), calculation |lime.0
F(x), second order continuous differentiable and. lim()=3, points (x, f (x) in the curve r-0x u(x) y f() tangent to the ... 查看全部
Set z f[x+y, h(xsiny)], and f is second order continuously partial, and h is secondh(x)-1 order differentiable, and lim ... 查看全部
Let f(x) be second differentiable on [0,2], and(x)< 0,()=1,(2)=-1,()=f(2)=1. Prove2≤ff(x)dx≤3
Let the curve y =y(x)(x 0) is a particular solution of the differential equation 2y"+ y'-y=(4-6x)e-* that passes through... 查看全部