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Points of Discontinuity

Let fx=[3+2...

Question

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

3

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2

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5

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N o n e o f t h e s e

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Solution

The correct option is A $3$

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