y=x+Inx,则dy除以dx等于?
1、设y=x+Inx,则dx/dy=() A、(x+1)/x B、(y+1)/y C、x/(x+1) D、y/(y+1)
y=e^x-ln3 则 dy/dx等于什么,
y=ln|x|则dy比dx等于?
DY除以DX等于负X平方除以Y的通解
dy/dx=x+y
微积分.若x^y=y^x,则dy/dx.
(x^2)dy+(y^2)dx=dx-dy
微分方程(x+y)(dx-dy)=dx+dy的通解
设x=3e^-t,y=2e^t,则dy/dx等于多少?
Z=(1+x^2+y^2),则dz(1,1)等于多少(dx+dy)
y=[sin(x^4)]^2,则dy/dx=?,dy^2/dx^2=?,dy/d(x^2)=?
dy/dx=-(x+y)/x通解