A circle with centre C has equation x + y 6x + 2y + 5 =
Question:
A circle with centre C has equation x² + y² − 6x + 2y + 5 = 0.
a) Find the coordinates of C and the radius of the circle.
b) A(5, −2) lies on the circle. Find the
equation of the tangent to the circle at A.
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ANSWER a To find the center and radius of the circle we need to write the equation of the circle in ...View the full answer
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Related Book For 
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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