D = 81 - 4*14=25x1 = (9-5)/2= 2x2 = (9+5)/2 = 7x2 - x1 = 7 - 2 = 5
x^2 - 9x + 14 = 0
D = V(81 - 4*14) = 5
x = (9 +/- 5) /2
x1 = 7 x2 = 2
Разность между ними
7 - 2 = 5
D = 81 - 4*14=25
x1 = (9-5)/2= 2
x2 = (9+5)/2 = 7
x2 - x1 = 7 - 2 = 5
x^2 - 9x + 14 = 0
D = V(81 - 4*14) = 5
x = (9 +/- 5) /2
x1 = 7 x2 = 2
Разность между ними
7 - 2 = 5