Contact us
Choose a category below so we can get back to you as quickly as possible.
設中點M(x,y),則動點A(2x-3,2y),∵A在圓x2+y2=1上,∴(2x-3)2+(2y)2=1,即(2x-3)2+4y2=1.故選C.
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.