Home JEE Main - Previous Year Papers JEE MAIN 2021 PAPER- 4 A function is defined on as where denote…
JEE Main - Previous Year Papers JEE MAIN 2021 PAPER- 4 Single Correct MCQ
Published on: August 11, 2026

A function is defined on as

where denotes the greatest integer . The number of points, where is not differentiable in is

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The correct answer is:
5

(5)

Points of non-differentiability in are at .

i.e. 5 points.

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