The set of all real values of for which exactly two common tangents can be drawn to the…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
The set of all real values of \(\lambda\) for which exactly two common tangents can be drawn to the circles
x2 + y2 - 4x - 4y + 6 = 0 and x2 + y2 - 10x - 10y + \(\lambda\) = 0 is the interval:
x2 + y2 - 4x - 4y + 6 = 0 and x2 + y2 - 10x - 10y + \(\lambda\) = 0 is the interval:
- (12, 32)
- (18, 42)
- (12, 24)
- (18, 48)
Answer
(B) (18, 42)
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