MathematicsMedium127×since 2002Q3052A circle C touches the line x = 2y at the point (2, 1) and intersects the circle C₁ : x² + y² + 2y −-− 5 = 0 at two points P and Q such that PQ is a diameter of C₁. Then the diameter of C is :A757\sqrt 575B15C285\sqrt {285}285D4154\sqrt {15}415Check answerSkip