Ответ:
x1-x2=2
х^2 - 4x + q = 0
Пусть q = 3, то :
х^2 - 4x + 3 = 0
D=16-4*3=4
x1=(4+4^(1/2))/2*1=6/2=3
x2=(4-4^(1/2))/2*1=2/2=1
Проверка:
x1-x2=3-1=2
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Ответ:
x1-x2=2
х^2 - 4x + q = 0
Пусть q = 3, то :
х^2 - 4x + 3 = 0
D=16-4*3=4
x1=(4+4^(1/2))/2*1=6/2=3
x2=(4-4^(1/2))/2*1=2/2=1
Проверка:
x1-x2=3-1=2