Fundamentholfundamenthol
JEE Main2019Math
Q.

Let f : [–1, 3] R be defined as

where [t] denotes the greatest integer less than or equal to t. Then, f is discontinuous at :

  1. A

    Only one point 

  2. B

    Only two points 

  3. C

    Only three points

  4. D

    Four or more points 

Solution

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