+0  
 
0
374
1
avatar

Points A, B, and C are given in the coordinate plane.  There exists a point Q and a constant k such that for any point P,

PA^2 + PB^2 + PC^2 = 3*PQ^2 + k.

 

If A = (4,-1), B = (8,-2), and C = (1,-11), then find the constant k.

 Oct 20, 2021
 #1
avatar
0

k = 44.

 Dec 30, 2021

0 Online Users