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9th Class Mathematics Polynomials Question Bank Polynomials

  • question_answer
    If\[p(x)=4{{x}^{3}}-3{{x}^{2}}+2x+1\],\[q(x)={{x}^{3}}-{{x}^{2}}+x+1\]and\[r(x)={{x}^{2}}-2x+1\]find the value of\[3p(x)+7q(x)+r(x)\]

    A)  \[19{{x}^{3}}-15{{x}^{2}}+11x+11\]

    B)         \[-19{{x}^{3}}-15{{x}^{2}}+11x-11\]

    C)         \[19{{x}^{3}}-15{{x}^{2}}-11x+11\]

    D)         \[19{{x}^{3}}-15{{x}^{2}}-11x-11\]

    Correct Answer: A

    Solution :

    Not Available


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