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Number of points where  is discontinuous is (where  denotes the greatest integer function)


Question ID - 153456 | Toppr Answer

Number of points where  is discontinuous is (where  denotes the greatest integer function)

1 Answer - 5876 Votes

3537

Answer Key : (4) -

(4)

 is discontinuous when   or

 is discontinuous at

Thus  is discontinuous at

Now both  and  are discontinuous at  and 2

Then  may be continuous at  and 2

But  and

Thus  is discontinuous at

Also  and

Hence  is discontinuous at  also



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