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Byju's Answer
Standard XII
Mathematics
Condition of Concurrency of 3 Straight Lines
The value of ...
Question
The value of k for which
k
x
+
3
y
−
k
+
3
=
0
and
12
x
+
k
y
=
k
, have infinite solutions, is?
A
0
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B
−
6
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C
6
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D
1
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Solution
The correct option is
C
6
For infinite many solution
a
1
a
2
=
b
1
b
2
=
c
1
c
2
⇒
k
12
=
3
k
=
−
(
k
−
3
)
−
k
,
3
k
=
(
k
−
3
)
k
k
2
=
36
k
−
6
=
0
k
=
±
6
k
=
6
.
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1
Similar questions
Q.
For what value of
K
will the following pair of linear equations have infinitely many solutions?
K
x
+
3
y
−
(
K
−
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)
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12
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y
−
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Find the value of
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Q.
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3
y
−
(
k
−
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)
=
0
,
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+
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y
−
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=
has infinitely many solutions, then
k
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Q.
For which value(s) of k will the pair of equations
have no solution?
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For the following system of equation determine the value of k for which the given system of equation has infinitely many solution.
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