10th Class Mathematics Polynomials Question Bank Polynomials

  • question_answer
    Identify the polynomial whose sum of zeros is (-5) and their product is 6.

    A)  \[{{x}^{2}}-4x-12\]

    B)                         \[{{x}^{2}}+4x+12\]

    C)  \[{{p}^{2}}+6p-4\]    

    D)         \[{{x}^{2}}-5x+6\]

    Correct Answer: C

    Solution :

     Given sum of the zeros = (- 5) and product of the zeros = 6 \[\text{6}0={{\text{2}}^{\text{2}}}\times \text{3}\times \text{5}\]Polynomial \[\therefore \] \[={{2}^{2}}\times 3\times 5\times 2=120\] \[f(p)={{\text{p}}^{\text{3}}}+\text{6}{{\text{p}}^{\text{2}}}+\text{lip}+\text{6}\] \[f(p)\] \[p(x)={{x}^{2}}+3x-2\] Hence, the polynomial is \[\Rightarrow \].


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