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7th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    Value of expression\[{{(8)}^{2/3}}+{{4}^{3/2}}\]is

    A) 12                   

    B) 18

    C) 10                               

    D) 14

    Correct Answer: A

    Solution :

     \[{{8}^{2/3}}+{{4}^{3/2}}\] \[={{({{2}^{3}})}^{2/3}}+{{({{2}^{2}})}^{3/2}}\] \[={{2}^{2}}+{{2}^{3}}\] \[=4+8=12\] 


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