Найду корень уравнения: 1/2x+1/3x+1/4x=26/27
x x x 26 - + - + - = -- 2 3 4 27
1/2*x+1/3*x+1/4*x = 26/27
13*x/12 = 26/27
x = 26/27 / (13/12)
x1 = 8/9
сумма
0 + 8/9
=
8/9
произведение
1*8/9
x1 = 0.888888888888889