Question 6 Find the centre and radius of the circle (x + 5)^2 + (y – 3)^2 = 36
Class X1 - Maths -Conic Sections Page 241
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Concept :- take standard equation of circle is (x - h)² + (y - k)² = r² , then centre of cirlce is (h, k) and radius is r.
Here,
equation of circle is (x + 5)² + (y-3)² = 36
Hence, centre of circle = (-5, 3)
Radius of circle = √36 = 6
Here,
equation of circle is (x + 5)² + (y-3)² = 36
Hence, centre of circle = (-5, 3)
Radius of circle = √36 = 6
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