A) \[2\pi \]
B) \[4\pi \]
C) \[8\pi \]
D) \[12\pi \]
Correct Answer: D
Solution :
Period of \[\sin \frac{x}{2}\] is \[4\pi \] and period of \[\cos \frac{x}{3}\] is \[6\pi \]. Hence period of expression is \[12\pi \] (L.C.M.).
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