The set of values of ‘b’ for which the origin and the point (1, 1) lie on the same side…

Mathematics · JEE Advanced · NTA ExamsCo-ordinate Geometry

The set of values of ‘b’ for which the origin and the point (1, 1) lie on the same side of the straight line a2x + aby + 1 = 0 \(\forall\)a ∈ R, b > 0 are :
  1. b (2, 4)
  2. b (0, 2)
  3. b [0, 2]
  4. b (2, )

Answer

(B) b ∈ (0, 2)

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