Quadratic Equation & Roots
Quadratic Equation:
a
x
2
+
b
x
+
c
=
0
Roots:
α
=
−
b
+
b
2
−
4
a
c
2
a
,
β
=
−
b
−
b
2
−
4
a
c
2
a
Sum of roots:
α
+
β
=
−
b
a
Difference of roots:
α
−
β
=
b
2
−
4
a
c
a
Product of roots:
α
⋅
β
=
c
a