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Mathematics
Mathematics
Problem
If
α
\alpha
α
and
β
\beta
β
are the roots of the quadratic equation
a
x
2
+
b
x
+
c
=
0
(
a
≠
0
)
ax^{2}+bx+c=0\,(a\neq0)
a
x
2
+
b
x
+
c
=
0
(
a
=
0
)
, then
α
+
β
\alpha+\beta
α
+
β
is equal to a)
c
a
\dfrac{c}{a}
a
c
b)
−
b
2
a
-\dfrac{b}{2a}
−
2
a
b
c)
−
b
a
-\dfrac{b}{a}
−
a
b
d)
b
a
\dfrac{b}{a}
a
b
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