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  3. 11th Class
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11th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-11

  • question_answer
    In a \[\Delta \,ABC\], the maximum value of \[\frac{a\,{{\cos }^{2}}\frac{A}{2}+b\,{{\cos }^{2}}\frac{B}{2}+c\,{{\cos }^{2}}\frac{C}{2}}{a+b+c}\] is ________.

    A)  \[\frac{1}{4}\]                         

    B)  \[\frac{1}{2}\]

    C)  \[\frac{3}{2}\]                         

    D)  \[\frac{3}{4}\]

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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