设x=t+arctan t+1,y=t的立方+6t-2,求dy/dx
设x=t+arctan t+1,y=t的立方+6t-2,求dy/dx
设参数方程式 {x=ln(1+t^3) y=t-arctan t ;确定y是X的函数,求 dy/dx?
设x=e^-t y=e^-2t 求dy/dx
设函数y=y(x)由x=1-e^t和y=t+e^-t确定,求dy/dx和d^2y/dx^2
x=t^2+t y=ln(1+t) 求dy/dx
x=t,y=t平方,求dx\dy
设x=ln(1+t²) y=t-arctant 求dy/dx d²y/dx²
设x=t^2+cost,y=1-sint,求dy/dx
设x=e'sin t,y=e'cos t,求dy/dx.
参数方程x=(t-1)e^t,y=1-t^4,求dy/dx
x=2t+cost y=t+e^t 求dy/dx
设参数方程{x=(2+t^2),y=t.确定了函数y(x).求dy/dx?