10th Class Mathematics Related to Competitive Exam Question Bank Algebra

  • question_answer
    The condition that the roots of the equation \[l{{x}^{2}}+mx+n=0\] may be in the ratio 3: 4 is

    A)  \[14{{n}^{2}}=49ml\]                    

    B)  \[{{m}^{2}}=9nl\]

    C)  \[12{{m}^{2}}=49nl\]      

    D)         \[4{{l}^{2}}=49nl\]

    Correct Answer: C

    Solution :

    Not Available


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