7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-18

  • question_answer
    Find the value of \[4xy\left( x-y \right)-6{{x}^{2}}\left( y-{{y}^{2}} \right)-\] \[3{{y}^{2}}\left( 2{{x}^{2}}-x \right)+2xy\left( x-y \right)\] for \[x=5\] and \[y=13\]

    A)  \[-1955\]                      

    B)  2535

    C)  \[-\,2535\]

    D)  1955

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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