7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-6

  • question_answer
    Simplify :\[({{y}^{3}}-2{{y}^{2}}+3y-4)\,\,(y-1)-(24-3)\,\,({{y}^{2}}-y+1)\]

    A)  \[{{y}^{4}}-3{{y}^{3}}-16{{y}^{2}}+14y-17\]

    B)  \[{{y}^{4}}-3{{y}^{3}}-16{{y}^{2}}-14y-17\]

    C)  \[{{y}^{4}}-3{{y}^{3}}+16{{y}^{2}}+14y-17\]

    D)  \[{{y}^{4}}+3{{y}^{3}}-16{{y}^{2}}+14y-17\]

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available


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