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Mathematics
Mathematics
Problem
Find the value of
m
m
m
, if the lines
4
x
+
7
y
−
9
=
0
4x + 7y - 9 = 0
4
x
+
7
y
−
9
=
0
,
5
x
+
m
y
+
15
=
0
5x + my + 15 = 0
5
x
+
m
y
+
15
=
0
and
9
x
−
y
+
6
=
0
9x - y + 6 = 0
9
x
−
y
+
6
=
0
are concurrent.
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