TMUA 2023 Paper 1 Q13 — Worked Solution

P1·Coordinate Geometry·3.5Official · 2023 · Q13

circlesmaximum-distancecollinear-centres

Point

P

lies on the circle with equation

(x - 2)^{2} + (y - 1)^{2} = 16

.Point

Q

lies on the circle with equation

(x - 4)^{2} + (y + 5)^{2} = 16

.What is the maximum possible length of

P Q

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