The difference between the greatest and least values of the function, f (x) = cos x + 1 2…
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
The difference between the greatest and least values of the function, f (x) = cos x + \(\frac{1}{2}\) cos 2x –\(\frac{1}{3}\) cos 3x is :
- 4/3
- 1
- 9/4
- 1/6
Answer
(C) 9/4
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