A) 4
B) 6
C) 12
D) 24
Correct Answer: A
Solution :
Period of \[\sin \left( \frac{\pi x}{2} \right)=\frac{2\pi }{\pi /2}=4\] Period of \[\cos \,\left( \frac{\pi x}{2} \right)=\frac{2\pi }{\pi /2}=4\] \[\therefore \] Period of \[\sin \frac{\pi x}{2}+\cos \frac{\pi x}{2}=\]L.C.M. of (4, 4)=4.You need to login to perform this action.
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