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Mathematics
Problem
For the function
p
(
x
)
=
a
x
2
+
4
a
x
+
5
a
p(x)=\sqrt{ax^{2}+4ax+5a}
p
(
x
)
=
a
x
2
+
4
a
x
+
5
a
, find all real values of
a
a
a
for which the function is defined for every real
x
x
x
.
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