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1.3 Coordinate Geometry in the x-y Plane

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Question 71

The circle C C\,C has the equation x2+y2−4x−6y=48x^2 + y^2 - 4x - 6y = 48x2+y2−4x−6y=48

a.

Find the coordinates of the centre of CCC.

[2]
b.

Find equation of the tangent to the circle at the point (7,9)(7, 9)(7,9).

[4]

1.3 Coordinate Geometry in the x-y Plane Questions

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  3. /1.3 Coordinate Geometry in the x-y Plane