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Let f:R rarr R be a function defined by ...

Let `f:R rarr R` be a function defined by `f(x)={abs(cosx)}`, where {x} represents fractional part of x. Let S be the set containing all real values x lying in the interval `[0,2pi]` for which `f(x) ne abs(cosx)`. The number of elements in the set S is

A

0

B

1

C

3

D

infinite

Text Solution

Verified by Experts

The correct Answer is:
C
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