[" 24.If "alpha. beta" are the roots of ...

[" 24.If "alpha. beta" are the roots of the equation "],[qquad ax^(2)+bx+c=0" ,then "(a)/(ab+b)+(beta)/(ac+b)=],[[" (a) "(2)/(a)," (b) "(2)/(b)," (c) "(2)/(c)," (d) "-(2)/(a)]]

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