由y=t³+2t得:
dy/dt=3t^2+2
由x- eˆx sint +1=0得:
1-(e^xsint+e^xcostdt/dx)=0得:dt/dx=(1-e^xsint)/e^xcost
dy/dx=(dy/dt)*(dt/dx) =(3t^2+2)*(1-e^xsint)/e^xcost
由y=t³+2t得:
dy/dt=3t^2+2
由x- eˆx sint +1=0得:
1-(e^xsint+e^xcostdt/dx)=0得:dt/dx=(1-e^xsint)/e^xcost
dy/dx=(dy/dt)*(dt/dx) =(3t^2+2)*(1-e^xsint)/e^xcost