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Let f (x) = [3+2 cos x] , x in (-frac(pi...

Let` f (x) = [3+2 cos x] , x in (-frac(pi)(2),frac(pi)(2))` where [.] denotes the greatest integer function The number of points of discontinuity of f (x) is

A

3

B

2

C

5

D

none of these

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The correct Answer is:
A
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