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Mathematics
Mathematics
Problem
For what real values of
k
k
k
does the pair of equations
(
k
+
1
)
x
+
3
y
=
4
(k+1)x + 3y = 4
(
k
+
1
)
x
+
3
y
=
4
and
2
x
+
(
k
−
2
)
y
=
5
2x + (k-2)y = 5
2
x
+
(
k
−
2
)
y
=
5
have exactly one solution?
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