JEE Advanced 2021 Full Test 5 Paper 1
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PART – III
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.
Mathematics
SECTION – A (One Options Correct Type) This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.
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Question : 39 of 54
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Let f ( x ) = cos − 1 x + | cos − 1 x | + cos − 1 | x | f ( x ) = k k
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