The value of ‘c’ for which the set, (x, y) | x²+y² +2x 0 contains only one point in…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
The value of ‘c’ for which the set,
{(x, y) | x²+y² +2x < 1} ∩ {(x, y)| x–y + c > 0} contains only one point in common is :
{(x, y) | x²+y² +2x < 1} ∩ {(x, y)| x–y + c > 0} contains only one point in common is :
- (–∞, –1) ∪ [3, ∞)
- {–1, 3}
- {–3}
- {–1}
Answer
(D) –1
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