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Mathematics
Mathematics
Problem
The point
(
1
,
2
)
(1,2)
(
1
,
2
)
is a solution of the system
(
m
+
1
)
x
+
y
=
3
(m+1)x + y = 3
(
m
+
1
)
x
+
y
=
3
and
2
x
+
(
m
+
2
)
y
=
6
2x + (m+2)y = 6
2
x
+
(
m
+
2
)
y
=
6
. What is the value of
m
m
m
? a)
1
1
1
b)
0
0
0
c)
−
1
-1
−
1
d)
2
2
2
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