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8th Class Mental Ability Algebraic Expressions Question Bank Algebraic Identities

  • question_answer
    If \[\left( a-\frac{1}{a} \right)=4,\]find the value of \[{{a}^{2}}+\frac{1}{{{a}^{2}}}.\]

    A)  16                  

    B)       18                  

    C)  14     

    D)       20                              

    Correct Answer: B

    Solution :

    Not Available


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