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Let alpha and beta be the roots of equat...

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

A

`sqrt(34 )//9`

B

`2 sqrt(13)//9`

C

`sqrt(61 )//9`

D

`2 sqrt(17)//9`

Text Solution

Verified by Experts

The correct Answer is:
B
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