The circles x 2 + y 2 + 6x + 6y = 0 and x 2 + y 2 – 12x – 12y =0

Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry

1. touch each other internally
2. touch each other externally
3. intersect in two points
4. cut orthogonally

Answer

(B) touch each other externally

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