Let α and β be the roots of equation px^2 + qx + r = 0, p ≠ 0. If p, q and r are in AP and 1/(α) + 1/(β) = 4, then the value of |α - β| is

Let α and β be the roots of equation px^2 + qx + r = 0, p ≠… — JEE Main 2014 Mathematics PYQ

JEE Main 2014

Let

\alpha

and

\beta

be the roots of equation

px^2 + qx + r = 0

p \neq 0

. If

p

q

and

r

are in AP and

\frac{1}{\alpha} + \frac{1}{\beta} = 4

, then the value of

|\alpha - \beta|

Show answer

Correct option: D

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