If f: R \to R is a function defined by f(x)=[x-1] \cos (\frac{2 x-1}{2}) \pi, where [.] denotes the greatest integer function, then f is [24 Feb 2021 Shift 1]

Correct Answer is : continuous for every real x

discontinuous at all integral values of x except at x=1

JEE Main 24 Feb 2021 Shift 1 Solved Paper

Section: Mathematics

Question : 69 of 90

Marks: +1, -0

If f:R→R is a function defined by f(x)=[x−1]‌cos(‌

2x−1

)‌π, where [.] denotes the greatest integer function, then f is

[24 Feb 2021 Shift 1]

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