10th Class Mathematics Polynomials Question Bank Case Based MCQs - Polynomials

  • question_answer
    The value of \[p\left( 2 \right)\] is

    A) 80

    B) 81

    C) 83

    D) 78

    Correct Answer: D

    Solution :

    \[p\left( x \right)={{x}^{2}}-23x+120\]
    \[p\left( 2 \right)={{\left( 2 \right)}^{2}}-23\times 2+120\]
    \[p\left( 2 \right)=4-46+120=78\]
     


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