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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-14

  • question_answer
    Find the value of \[9{{x}^{y}}-2{{y}^{x}},\]if \[x=3\]and \[y=-2\].

    A)  9                                

    B)  12

    C)  15                               

    D)  17

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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