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JEE Main & Advanced Mathematics Complex Numbers and Quadratic Equations Question Bank Relation between roots and coefficients

  • question_answer
    If the product of roots of the equation, \[m{{x}^{2}}+6x+(2m-1)=0\] is -1, then the value of m will be [Pb. CET 1990]

    A) 1

    B) - 1

    C) \[\frac{1}{3}\]

    D) \[-\frac{1}{3}\]

    Correct Answer: C

    Solution :

    According to condition \[\frac{2m-1}{m}=-1\Rightarrow \,\,3m=1\,\,\Rightarrow m=\frac{1}{3}\]


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