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Byju's Answer
Standard XII
Mathematics
Cramer's Rule
For what valu...
Question
For what value of
K
, the following system of equations has a unique solution.
x
−
K
y
=
2
3
x
+
2
y
=
−
5
Open in App
Solution
x
−
K
y
=
2
3
x
+
2
y
=
−
5
a
1
=
1
,
b
1
=
−
K
a
2
=
3
,
b
2
=
2
a
1
b
1
=
1
−
K
a
2
b
2
=
3
2
a
1
b
1
≠
a
2
b
2
→
1
−
K
≠
3
2
K
≠
−
2
3
∴
K
∈
R
−
(
2
3
)
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0
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