10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    If \[a=\sqrt{15+4\sqrt{14}}\] and \[b=\sqrt{15-4\sqrt{14}},\] then find the value of \[{{a}^{3}}+{{b}^{3}}\].

    A)  \[56\,\sqrt{2}\]             

    B)  \[112\,\sqrt{2}\]

    C)   \[116\,\sqrt{2}\]

    D)  \[124\,\sqrt{2}\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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