Multiple Choice Questions on If y px sup2 qx r then find the condition on p q r for which this curve cuts the x ndash axis a........... for CDS Exam Preparation

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Multiple Choice Questions

If y px sup2 qx r then find the condition on p q r for which this curve cuts the x ndash axis a...........

Quantitative Aptitude (CDS) Quadratic Equations
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    If y = px²+qx+r  then find the condition on p, q, r for which this curve cuts the x – axis at two distinct points . 

    q² – 4pr <  0

    Incorrect Answer

    p.r< 0

    Incorrect Answer

    q² – 4pr  ≤  0

    Incorrect Answer

    q²  – 4pr > 0 

    Correct Answer
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    Explanation:

    the condition for which curve cuts the x – axis at two distinct points D > 0 
    hence ,  q²  – 4pr > 0

    By: bhavesh kumar singh
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