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  3. 7th Class
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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-15

  • question_answer
    If \[{{x}^{2}}+\frac{1}{{{x}^{2}}}=6,\]the value of \[\left( x-\frac{1}{x} \right)\] is:

    A)  4                                

    B)  1

    C)  2        

    D)  3

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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