The circles x 2 + y 2 + 2x – 2y + 1 = 0 and x 2 + y 2 – 2x – 2y + 1 = 0 touch each other
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
The circles x2 + y2 + 2x – 2y + 1 = 0 and
x2 + y2 – 2x – 2y + 1 = 0 touch each other
x2 + y2 – 2x – 2y + 1 = 0 touch each other
- externally at (0,1)
- internally at (0,1)
- externally at (1,0)
- internally at (1,0)
Answer
(A) externally at (0,1)
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