JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

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Understanding +4 | -1

The period of

|\sin 2 x|

is:

View answer and explanation

Correct option: B

\frac{\pi}{2}

Option B (

\frac{\pi}{2}

) is correct because the period of the absolute value of a sine function is half the period of the original sine function.

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f\left( x \right) = x - \left[ x \right]

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S=\left\{x: f(x)=f^{-1}(x)\right\}