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Let alpha and beta the roots of equat...

Let `alpha` and `beta ` the roots of equation `px^(2) + qx + =0`
`p ne 0 ` if p,q,r are in A.P and `(1)/(alpha) + (1)/(beta) =4` then the value of `|alpha -beta| ` is :

A

`(2sqrt(17))/( 9)`

B

`(sqrt(34))/(9)`

C

`(2sqrt(13))/(9)`

D

`(sqrt(61))/(9)`

Text Solution

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The correct Answer is:
C
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