Rozwiąż równania.
a)
b)
c)
a
2x^2+7x+3=0
delta=b^2-4ac
delta=25
piuerw z delty 5
x1=-b-pierw z delty / 2a
x1=-12/4
x1=-3
x2=-1/2
b.
delta=1152-1152
delta=0
brak
c.
11x^2-x+55=0
delta<0
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a
2x^2+7x+3=0
delta=b^2-4ac
delta=25
piuerw z delty 5
x1=-b-pierw z delty / 2a
x1=-12/4
x1=-3
x2=-1/2
b.
delta=1152-1152
delta=0
brak
c.
11x^2-x+55=0
delta<0