Sagot :
delta = b² -4ac
et tu remplace ... -_-
(delta = 400² -4(12)(2500)
delta = 160000-120000 = 40000 > 0
x1 = (400+V40000)/24 x2 = (400-V40000)/24
x1 = 25 x2 =25/3
delta = b² -4ac
et tu remplace ... -_-
= 400² -4(12)(2500)
= 160000-120000 = 40000 > 0
x1 = (400+V40000)/24 x2 = (400-V40000)/24
x1 = 25 x2 =25/3