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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-19

  • question_answer
    By how much is \[2\,{{x}^{4}}+8\,{{x}^{2}}{{y}^{2}}+{{y}^{4}}\] more than \[{{x}^{4}}-16\,{{x}^{2}}{{y}^{2}}+{{y}^{4}}?\]

    A)  \[3\,{{x}^{4}}+24\,{{x}^{2}}{{y}^{2}}\]  

    B)  \[-{{x}^{4}}+8\,{{x}^{2}}{{y}^{2}}\]

    C)  \[{{x}^{4}}+24\,{{x}^{2}}{{y}^{2}}\]                  

    D)  \[{{x}^{4}}-8\,{{x}^{2}}{{y}^{2}}\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available


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