_ x x ( 4 x ) ( 4 x )
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
\(\lim _{x \rightarrow \infty} x \cdot \cos \left(\frac{\pi}{4 x}\right) \sin \left(\frac{\pi}{4 x}\right)\)
- \(\frac{\pi}{4}\)
- \(\frac{\pi}{3}\)
- π
- 0
Answer
(A) 4
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