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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-9

  • question_answer
    Factories : \[9{{(x-y)}^{2}}-12({{x}^{2}}-{{y}^{2}})+4{{(x+y)}^{2}}\]

    A)  \[(3x+y)\,\,(3x-y)\]        

    B)  \[(x-5y)\,\,(x+5y)\]

    C)  \[(x-5y)\,\,(x-5y)\]

    D)  \[(5x-y)\,\,(x+5y)\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available   


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