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  3. 7th Class
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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-13

  • question_answer
    If\[x-\frac{1}{x}=5,\]then find the value of\[{{x}^{2}}+\frac{1}{{{x}^{2}}}\].

    A)  23                               

    B)  27

    C)  22                               

    D)  23

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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