Question: The lines y = and y=- are tangents to a circle at (2, 1) and (-2, 1) respectively. Find the equation of the circle

The lines y = and y=- are tangents to a circle at

The figure shows a circle C with centre Q and radius 4 and the point T which lies on C The tangent to Cat the point T passes

The lines y = and y=- are tangents to a circle at (2, 1) and (-2, 1) respectively. Find the equation of the circle in the form a + y + ax+by+c=0, where a, b and care constants. (6 marks) Submil Answer Skip for Now 65 4 Q C The figure shows a circle C'with centre Q and radius 4 and the point T which lies on C. The tangent to Cat the point T passes through the origin O and OT-65 Given that the coordinates of Q are (11, k) where k is a positive constant, find the exact value of k.

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