1.

If alpha, beta, gamma are roots of equation x^(3)- 10x^(2) + 7x + 8 = 0 . If a =alpha + beta + gamma, b = alpha^(2)+ beta^(2)+ gamma^(2), c = (1)/(alpha) + (1)/(beta) + (1)/(gamma) , d = (alpha)/(beta gamma) + (beta)/(gamma beta)+ (gamma )/(alpha beta) then a + b + c + d =

Answer»

`(765)/(8)`
`(576)/(8)`
`(675)/(8)`
`(657)/(8)`

Answer :3


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