9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-3

  • question_answer
    \[{{x}^{3}}(y-z)+{{y}^{3}}(z-x)+{{z}^{3}}(x-y)\] is equal to:

    A)  \[(x+y+z)\,\,(x+y)\,\,(y-z)\,\,(z\,+x)\]

    B)  \[(x+y+z)\,\,(x-y-z)\,\,(x-y)\,\,(y-z)\]

    C)  \[(x+y+z)\,\,(x-y)\,\,(y-z)\,\,(x-z)\]

    D)  \[({{x}^{3}}+{{y}^{3}}+{{z}^{3}})\,\,(x-y)\,\,(y-z)\,\,(z-x)\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available


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