9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-17

  • question_answer
    Find the product of \[(a+b-c)\,\,({{a}^{2}}+{{b}^{2}}+{{c}^{2}}-ab\]\[+bc+ca)\]

    A)  \[{{a}^{3}}+{{b}^{3}}+{{c}^{3}}-ab+bc+ca\]

    B)  \[{{a}^{3}}+{{b}^{3}}+{{c}^{3}}+3abc\]

    C)  \[{{a}^{3}}+{{b}^{3}}-{{c}^{3}}+3abc\]

    D)  \[{{a}^{3}}-{{b}^{3}}-{{c}^{3}}+3abc\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available


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