10th Class Mathematics Polynomials Question Bank Polynomials

  • question_answer
    Which of the following is a zero of the cubic polynomial\[\text{f(x)}={{\text{x}}^{\text{3}}}-\text{3x}+\text{2}\]?

    A) - 2                         

    B) - 1

    C)  0                            

    D) 2

    Correct Answer: A

    Solution :

    \[\therefore \]                 \[={{2}^{2}}\times 3\times 5\times 2=120\]                \[f(p)={{\text{p}}^{\text{3}}}+\text{6}{{\text{p}}^{\text{2}}}+\text{lip}+\text{6}\]         


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