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A circle with center C has equation x²+y²- 2x + 10y-19 = 0
It can be shown that center C is (1,-5) and that the radius is √45.
Find the equation of the tangent to the circle at the point (7,-2), giving your answer in the form ax + by + c=0, where a, b and c are integers.

A Circle With Center C Has Equation Xy 2x 10y19 0 It Can Be Shown That Center C Is 15 And That The Radius Is 45 Find The Equation Of The Tangent To The Circle A class=

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