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2006 Austria Beginners' Competition
2
2
Part of
2006 Austria Beginners' Competition
Problems
(1)
(x^2 + ax + 4)(x^2 - 5x + 6) < 0, set of solutions is interval
Source: 2006 Austria Beginners' Competition p2
10/12/2022
For which real numbers
a
a
a
is the set of all solutions of the inequality
(
x
2
+
a
x
+
4
)
(
x
2
ā
5
x
+
6
)
<
0
(x^2 + ax + 4)(x^2 - 5x + 6) < 0
(
x
2
+
a
x
+
4
)
(
x
2
ā
5
x
+
6
)
<
0
an interval?
algebra
inequalities