匿名用户 2021-10-02 14:02 数学类Mathematics

Let the functions(x),(x)., un() is differentiable f()=u)( x)...u (x) Write the derivative of f(x).

匿名用户 2021-10-02 14:01 数学类Mathematics

Let the function(x), v(x) be differentiable, using the definition of derivative to prove[u(x)v(x)]=u(x)v(x)+u(x)v'(x)

匿名用户 2021-10-02 14:01 数学类Mathematics

Known function(x,y)=x++ xy, curve C: x2+y2+y =3, find f (x,y) in the direction of the largest on the curve C derivative.

匿名用户 2021-10-02 14:00 数学类Mathematics

Let the derivative of function f(x) on domain I be greater than zero. If for any xoel, the area of the tangent line of c... 查看全部

匿名用户 2021-10-02 13:59 数学类Mathematics

Let f(x)=x+aln(1+x)+ bxsin (x(x)=kx3. If f() and g(x) are infinitesimal at x-0, find a, b, and k

匿名用户 2021-10-02 13:59 数学类Mathematics

Let the two-dimensional random variable (X,) obey a normal distribution N(1,0; 1, 1; 0), to calculate P| XY-Y<0.

匿名用户 2021-10-02 13:58 数学类Mathematics

20-12 Please calculate the determinant of ordern :00:222:20000-12

匿名用户 2021-10-02 13:58 数学类Mathematics

Let n be the region of space bounded by the plane x+y+z=1 and the three coordinate planes, to calculate (+2y +3z)dxdydz.

匿名用户 2021-10-02 13:56 数学类Mathematics

If the function z(x,) is determined by e2+ xyz+ x+cosx 2, to calculdz(0.)

匿名用户 2021-10-02 13:55 数学类Mathematics

Please calculate sin x +cos x