Contact us
Choose a category below so we can get back to you as quickly as possible.
y=|√(x+2)²;+3²;-√(x-1)²;+2²;| y可看成x軸上的點P(0,x)到點A(-2,3)及點B(1,2)的距離差的絕對值. 由兩點間線段最短的原理,顯然有y
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.