Question Id : 16142 |
Context : JEE Main 2014 (Offline)
Let $\alpha$ and $\beta$ be the roots of equation $px^{2}+qx+r=0$, $p\ne 0$.
If $p,q,r$ are in A.P. and $\dfrac{1}{\alpha}+\dfrac{1}{\beta}=4$, then the
value of $|\alpha-\beta|$ is :
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