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Let alpha, beta be the roots of the equa...

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
D
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