Two Locus Questions (1 Viewer)

[independantz]

1) A point P(x,y) moves so that the sume of the squares of its distance from the points A,B and C is 77. Show that the locus is a circle and find its centre and radius.

2)Find the locus of the point p(x,y) which moves so that its distance from the point A(4,0) is always twice its distance from the point B(1,0)

Thanks in advance

 

[independantz]

Nvm, turns out the answers i was given were wrong :mad1: