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10th Class Mathematics Polynomials Question Bank MCQs - Polynomials

  • question_answer
      A quadratic polynomial whose one zero is 5 and product of zeroes is 0, is:

    A) \[{{x}^{2}}-5\]

    B) \[{{x}^{2}}-5x\]

    C) \[5{{x}^{2}}+1\]

    D) \[{{x}^{2}}+5x\]

    Correct Answer: B

    Solution :

    [b] Let other zero = k                             
    \[\therefore \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,k\times 5=0\Rightarrow k=0\]
    \[\Rightarrow \]       Polynomial \[={{x}^{2}}-5x\]


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