Multiple Choice Questions on find the value of mu so that the curve x mu 2 y sup2 6y 1 neither touches nor cuts the y axis at any........... for CDS Exam Preparation

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Multiple Choice Questions

find the value of mu so that the curve x mu 2 y sup2 6y 1 neither touches nor cuts the y axis at any...........

Quantitative Aptitude (CDS) Quadratic Equations
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    find the value of μ so that the curve x=(μ+2)y²+6y+1 neither touches nor cuts the y-axis at any point.

    μ<6

    Incorrect Answer

    μ>4

    Incorrect Answer

    μ>7

    Correct Answer

    μ< -6

    Incorrect Answer
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    Explanation:

    putting D < 0
    b² – 4ac < 0
    36 – 4(μ+2).1 < 0
    On solving we get μ > 7 

    By: bhavesh kumar singh
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