Locus 4 (equidistant from 2 points)

A moving point P is equidistant from 2 fixed point A and B. Move the point P to find out the locus of P.
Describe the locus of P.(提示：P的軌跡與綫段AB有什麽幾何關係?)
Luk
– WMY_hk

Information: Locus 4 (equidistant from 2 points)