10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-8

  • question_answer
    If p and q are the zeroes of the quadratic polynomial \[b{{x}^{2}}+cx+a,\] then the value of\[\frac{1}{{{p}^{3}}}+\frac{1}{{{q}^{3}}}\] is

    A)  \[\frac{3\,abc-{{c}^{3}}}{a{{b}^{2}}}\]                   

    B)  \[\frac{3\,abc+{{c}^{3}}}{a{{b}^{2}}}\]

    C)  \[\frac{3\,abc-{{c}^{2}}}{{{a}^{2}}b}\]                   

    D)  \[\frac{3\,abc+{{c}^{2}}}{{{a}^{2}}b}\]

    E)  None of these

    Correct Answer: E


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