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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-8

  • question_answer
    If \[A={{\sin }^{2}}+{{\cos }^{4}}x\], then for all real x

    A)  \[\frac{13}{16}\le A\le 1\]                     

    B)  \[1\le A\le 2\]

    C)  \[\frac{3}{4}\le A\le \frac{13}{16}\]                  

    D)  \[\frac{3}{4}\le A\le 1\]

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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