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JEE Main & Advanced Mathematics Functions Question Bank Functions

  • question_answer
    If \[f(x)=|\cos x|\]and \[g(x)=[x]\], then \[gof(x)\] is equal to

    A)                    \[|\cos \ [x]|\]

    B)            \[|\cos x|\]

    C)                    \[[|\cos x|]\]

    D)            \[|[\cos x]|\]

    Correct Answer: C

    Solution :

               \[gof\,(x)=g\{f(x)\}=[|\cos x|].\]


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