Mathematics · Coordinate Geometry
Let A(1, 4) and B(1, -5) be two points. Let P be a point on the circle (x - 1)2 + (y - 1)2 = 1. If (PA)2 + (PB)2 has a maximum value, then the points P, A, and B lie on:
- 1a parabola
- 2an ellipse
- 3a straight line✓
- 4a hyperbola
Correct answer
a straight line
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