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[" 2.If "alpha,beta" are the roots of "a...

[" 2.If "alpha,beta" are the roots of "ax^(2)+bx+c=0" then "],[(1)/(alpha^(3))+(1)/(beta^(3))=],[" 1."(3abc-b^(3))/(a^(3))quad " 2."(3abc-b^(3))/(a^(2)c)],[" 3."(3abc-b^(3))/(c^(3))quad " 4."(b^(2)-2ac)/(ac)]

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