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Mathematics
Problem
Identify all integer values of
k
k
k
for which
2
x
2
+
k
x
+
3
2x^{2}+kx+3
2
x
2
+
k
x
+
3
can be factorised into two linear factors with integer coefficients. a)
{
−
5
,
5
}
\{-5,5\}
{
−
5
,
5
}
b)
{
−
8
,
8
}
\{-8,8\}
{
−
8
,
8
}
c)
{
−
7
,
−
5
,
5
,
7
}
\{-7,-5,5,7\}
{
−
7
,
−
5
,
5
,
7
}
d)
{
5
,
7
}
\{5,7\}
{
5
,
7
}
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