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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-9

  • question_answer
    The function \[f:R\to R\]  is defined by \[f(x)={{\cos }^{2}}x+{{\sin }^{4}}x\] for \[x\in R,\]  then f(R) =

    A)  \[\left. \left( \frac{3}{4} \right.,1 \right]\]              

    B)  \[\left. \left[ \frac{3}{4},1 \right. \right)\]

    C)  \[\left[ \frac{3}{4},1 \right]\]      

    D)  \[\left( \frac{3}{4},1 \right)\]

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available    


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