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[" 55.If "alpha. beta. gamma" are the ro...

[" 55.If "alpha. beta. gamma" are the roots of the equation "x^(3)-px^(2)+qx+r=0" then "(alpha+beta)(3+gamma)(gamma+alpha)=],[[" 1) "2(p^(2)-3q)," 2) "r-pq," 3) "qp+r," 4) "(p^(2)-2q)/(r^(2))]]

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