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Let $\alpha$ and $\beta$ be the roots of the quadratic equation $ax^2+bx+c=0$. Observe the lists given below:

  List I List II






$\alpha = \beta=>$

$\alpha = 2 \beta=>$

$\alpha = 3\beta=>$

$\alpha = \beta^2=>$


$(A)\; (ac^2)^{1/3}+(a^2c)^{1/3}+b=0$






The correct match of List-I from List - II is 

        (i)      (ii)     (iii)     (iv)

(1)    E       B       D        F

(2)    E       B       A        D

(3)    E       D       B        F

(4)    E       B       D        A

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1 Answer

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answered Nov 7, 2013 by pady_1

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