In the coordinate plane, A = (4,-1), B = (6,2), and C = (-1,2). There exists a point Q and a constant k such that for any point P, [PA^2 + PB^2 + PC^2 = 3PQ^2 + k.]Find the constant k.

This is urgent, please help me out

:(

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.