Which pair of functions is identical ? - CUETMOCK

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Which pair of functions is identical ?

Options:

sin - 1(sinx), sin(sin - 1x)

ln ex, e ln x

ln x2, 2 ln x

None of these

Correct Answer:

None of these

Explanation:

Two function are identical. If there domain and corresponding range are qual.

Hence (4) is the correct answer.

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