∆=0
- b/2a
∆>0
X1= -b-√∆ / 2a
X2= -b+√∆ / 2a
X1+x2
-b/a
x1×x²
C/a
F(x) ∆=0
a(x-x0)²
∆>0. f(x)
a(x-x1)(x-x2)
Last changed5 months ago