Given that alpha, gamma are roots of the...

Given that `alpha`, `gamma` are roots of the equation `Ax^(2)-4x+1=0` and `beta`, `delta` are roots of the equation `Bx^(2)-6x+1=0`. If `alpha`, `beta`,`gamma` and `delta` are in `H.P.`, then

`-5, 9`

`3//2, 5`

`3, 8`

none of these

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