Multiple Choice Questions on If curve y x sup2 3x 7 drawn on the co ordinate x ndash y plane then find no of cuts on x ndash axis........... for CDS Exam Preparation

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Multiple Choice Questions

If curve y x sup2 3x 7 drawn on the co ordinate x ndash y plane then find no of cuts on x ndash axis...........

Quantitative Aptitude (CDS) Quadratic Equations
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    If curve y = x²-3x+7 drawn on the co-ordinate x – y plane . then find no. of cuts on x –axis by this curve is . 

     

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    Explanation:

    find D =  b² – 4ac = 9-4.1.7 = -19
    negative hence non real roots so not cut x-axis

    By: bhavesh kumar singh
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