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

  • question_answer
    Which one of the following is equal to \[25{{x}^{2}}+4{{y}^{2}}+20xy\]?

    A)  \[{{(5x+2y)}^{2}}\]               

    B)  \[{{(5x-2y)}^{2}}\]

    C)  \[{{(x+2y)}^{2}}\]                 

    D)  \[{{(9x+3y)}^{2}}\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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