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Manipal Engineering Manipal Engineering Solved Paper-2011

  • 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 :

    Given that,\[f(x)=|\cos x|\]and\[g(x)=[x]\], \[\therefore \]  \[gof(x)=g(|\cos x|)\]                 \[=[|\cos x|]\]


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