Ответ:
D = 289 - 4*(6*12)
D = 1
x1 = 1+17/24 = 18/24 = 3/4
x2 = -1+17/24 = 16/24 = 2/3
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Ответ:
D = 289 - 4*(6*12)
D = 1
x1 = 1+17/24 = 18/24 = 3/4
x2 = -1+17/24 = 16/24 = 2/3
Д= (-17^2)-4*12*6=289-288=1, > 0, тогда
х1=17-1/2*12= 2/3
x2=17+1/24= 3/4 = 0.75
Ответ: 0.75; 2/3.