1.

If alpha, beta, gamma are roots of x^(3) + px^(2) + qx + r = 0then (beta^(2) + gamma^(2))/(beta gamma) + (gamma^(2) + alpha^(2))/(gamma alpha) + (alpha^(2) + beta^(2))/( alpha beta)=

Answer»

`(q^(2) - 2pr)//R^(2)`
`q^(3) - 3pqr + 3r^(2)`
`(p^(2) - 2q)//r^(2)`
`pq//r - 3`

Answer :4


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