设y=x+siny,则[(d^2)y]/[dx^2]=?
设y=x+siny,则[(d^2)y]/[dx^2]=?
设siny+e^3x-2x^3y^2=0,求dy/dx
设由x^2y-e^(2y)=siny确定y是x的函数,求dy/dx
设x+y=siny,求dy/dx
x-y+siny=2,求dy/dx
求隐函数y的二阶导数d^2y/dx^2 siny=ln(x+y)
设函数y=x^4-8x^2,则 d^2y/dx^2=?
求由方程x-y+ 1/2 siny=0所确定的隐函数y的二阶导数d^2y/dx^2
设L为逆时针方向的圆周x^2y^2=9则曲线积分∫L(e^(x-y)+xy)dx+(siny+e^(x-y))dy=?
dy/dx=-(2xcosy+y^2*cosx)/(2ysinx-x^2*siny)
y^x=x^siny求dy/dx
∫(x^2-y)dx+(x+siny)dy