Example 1 - Chapter 10 Class 11 Conic Sections

Last updated at May 6, 2024 by

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Example 1 Find an equation of the circle with centre at (0,0) and radius r We know that 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, 0) So h = 0 & k = 0 & radius is r . Putting values in (1) (x − 0)2 + (y – 0)2 = (r)2 x2 + y2 = r2 Hence the required equation of circle is x2 + y2 = r2

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo