1.

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

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`-5, 9`
`3//2, 5`
`3, 8`
none of these

Answer :C


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