The equation of a circle which touches x-axis and the line 4x –3y +4 =0, its centre lying…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
The equation of a circle which touches x-axis and the line 4x –3y +4 =0, its centre lying in the third quadrant and lies on the line x –y –1 =0, is-
- 9 (x2 +y2) + 6x + 24y + 1 =0
- 9 (x2 +y2) – 6x – 24y + 1 =0
- 9 (x2 +y2) – 6x + 2y + 1 =0
- none of these
Answer
(A) 9 (x 2 +y 2 ) + 6x + 24y + 1 =0
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