Ex 11.1, 1 - Find equation of circle with centre (0, 2), radius 2 - Ex 11.1

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Ex 10.1, 1 Find the equation of the circle with centre (0, 2) and radius 2 Equation of a circle is (x h)2 + (y k)2 = r2 Where (h, k) is the centre & r is the radius Here Centre (h, k) = (0, 2) So, h = 0, k = 2 and radius (r) = 2 Putting the values in (1) (x 0)2 + (y 2)2 = 22 x2 + (y 2)2 = 4 x2 + y2 + 4 4y = 4 x2 + y2 4y = 0

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.