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Mathematics
Mathematics
Problem
If the range of
m
m
m
so that the equation
(
x
2
+
2
m
x
+
7
m
−
12
)
⋅
(
4
x
2
−
4
m
x
+
5
m
−
6
)
=
0
(x^2 + 2mx + 7m - 12) \cdot (4x^2 - 4mx + 5m - 6) = 0
(
x
2
+
2
m
x
+
7
m
−
12
)
⋅
(
4
x
2
−
4
m
x
+
5
m
−
6
)
=
0
have two distinct real roots, is
(
a
,
b
)
(a, b)
(
a
,
b
)
, then find
(
a
+
b
)
(a+b)
(
a
+
b
)
.
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