The number of points in (–∞, ∞), for which x 2 – x sin x – cos x = 0, is

Mathematics · JEE Advanced · NTA ExamsLimit, Continuity and Differentiability

The number of points in (–∞, ∞), for which
x2x sinx – cosx = 0, is
  1. 6
  2. 4
  3. 2
  4. 0

Answer

(B) 4

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