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NTSE Sample Paper NTSE SAT Practice Test-1

  • question_answer
    If\[x=2+\sqrt{3}\], then the value of \[({{x}^{2}}+{{x}^{-2}})\]is

    A)  12                                           

    B)  13

    C)  14                                           

    D)  15

    Correct Answer: C

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