The point (a 2 , a + 1) is a point in the angle between the lines 3x – y + 1 = 0 and x +…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
The point (a2, a + 1) is a point in the angle between the lines 3x – y + 1 = 0 and x + 2y – 5 = 0 containing the origin if :
- a > 1 or a < –3
- a ∈ (–3, 0) ∪ (1/3, 1)
- a ∈ (0, 1)
- none of these
Answer
(B) a ∈ (–3, 0) ∪ (1/3, 1)
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