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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-13

  • question_answer
    If \[x=\frac{3+\sqrt{7}}{3-\sqrt{7}},\] then find the value of \[\left( {{x}^{2}}+\frac{1}{{{x}^{2}}} \right)\].

    A)  127                             

    B)  254

    C)  \[96\,\sqrt{7}\]             

    D)  \[48\,\sqrt{7}\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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