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

  • question_answer
    If p and q are the roots of the equation \[{{x}^{2}}+pq=(p+1)x\], then q=

    A) -1

    B) 1

    C) 2

    D) None of these

    Correct Answer: B

    Solution :

    The equation is \[{{x}^{2}}-(p+1)x+pq=0\] As roots are\[p,q\], therefore\[p+q=p+1\Rightarrow q=1\].


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