Multiple Choice Questions on It is given that the equation b ndash c x sup2 c ndash a x a ndash b 0 has equal roots the........... for CDS Exam Preparation

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Multiple Choice Questions

It is given that the equation b ndash c x sup2 c ndash a x a ndash b 0 has equal roots the...........

Quantitative Aptitude (CDS) Quadratic Equations
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    It is given that the equation (b – c ) x²  + (c – a) x + (a – b) = 0  has equal roots then find a,b,c are in . 

    AP

    Correct Answer

    GP 

    Incorrect Answer

    HP 

    Incorrect Answer

    None 

    Incorrect Answer
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    Explanation:

    put =1 , we get  1 is a root & roots are same . so roots are 1 & 1
    P . O . R =  1×1=(a-b )/(b-c  )  →a+b=2b 
    Hence , a,b,c are in AP. 

    By: bhavesh kumar singh
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