设:V=0.5*[y''(x)]^2 求:dv/dx
已知隐函数组x+y^2+u^2+v^2=y;x^2+y+u+v^2=v,求du/dx与dv/dx
设x=u.e^u,u^2+v^2=1,求dv/dx;求详解
设y=u^v,u,v是x的可导函数,证明:dy/dx=u^v(v/u*du/dx+lnu*dv/dx)
高数积分,dv =x^2dx,v等于1/3x^3吗?
设二元函数 z=u^2,u=x+y v=x-y ,求dz/dx,dz/dy
三重积分计算I=∫∫∫(x+y+z)^2dv..设V:x^2+y^2+z^2
设z=u^2v^2,而u=x-y,v=x+y,求dz/dx,dz/dy
设z=u^2+v^2,且u=x+y,v=x-y,求dz/dx,dz/dy
设z=u^2cosv^2,u=x+y,v=xy,求dz/dx,dz/dy.
设x^2+y^2=4,求dy/dx
设y=(x^2),求dy/dx
设y=sin2x/(1+x^2),求dy/dx,