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Mathematics
Mathematics
Problem
Which of the following sets gives the roots of the equation
4
x
2
+
12
x
+
5
=
0
4x^{2}+12x+5=0
4
x
2
+
12
x
+
5
=
0
? a)
{
−
5
,
−
2
}
\left\{-5,\,-2\right\}
{
−
5
,
−
2
}
b)
{
5
2
,
1
2
}
\left\{\dfrac{5}{2},\,\dfrac{1}{2}\right\}
{
2
5
,
2
1
}
c)
{
−
5
2
,
−
1
2
}
\left\{-\dfrac{5}{2},\,-\dfrac{1}{2}\right\}
{
−
2
5
,
−
2
1
}
d)
{
−
1
,
−
5
4
}
\left\{-1,\,-\dfrac{5}{4}\right\}
{
−
1
,
−
4
5
}
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