Contact us
Choose a category below so we can get back to you as quickly as possible.
y=x³;-3x和x=a的交點P的座標是P(a,a³;-3a)y'=3x²;-3在P點處的切線斜率為3a²;-3那麼切線為y-(a³;-3a)=(3a²;-3)(x-a)根據和x軸交與點Q(-a,0)∴(3a²;-3)(-a-a)=-(a ³;-3a…
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.