Contact us
Choose a category below so we can get back to you as quickly as possible.
xy-eˆ;(2x)=siny 兩邊對x求導,得 y+x(dy/dx)-2eˆ;(2x)=(cosy)*(dy/dx) (x-cosy)*(dy/dx)=2eˆ;(2x)-y dy/dx=[2eˆ;(2x)-y]/(x-cosy)
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.