Contact us
Choose a category below so we can get back to you as quickly as possible.
抛物線標準方程為y²;=2px(p>0) 此題p=2,準線方程為x=-p/2=-1 方程:x=-1
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.