1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Mathematics
Dependent Pair of Linear Equations
The value of ...
Question
The value of
a
for which the lines
2
x
+
y
−
1
=
0
a
x
+
3
y
−
3
=
0
3
x
+
2
y
−
2
=
0
are concurrent:
A
0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
97
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
3
41
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
D
3
41
Lines are concurrent if
∣
∣ ∣
∣
2
1
−
1
a
3
−
3
3
2
−
2
∣
∣ ∣
∣
=
0
Since
C
2
and
C
3
are propotional, lines are concurrent for infinite values of
a
Suggest Corrections
0
Similar questions
Q.
The value(s) of a for which the lines 2x + y - 1 = 0; ax + 3y - 3 = 0 and 3x + 2y - 2 = 0 are concurrent, is/are:
Q.
The number of values of
a
for which the lines
2
x
+
y
−
1
=
0
,
a
x
+
3
y
−
3
=
0
, and
3
x
+
2
y
−
2
=
0
are concurrent is
Q.
77
/
90
The lines
2
x
+
y
−
1
=
0
,
a
x
+
3
y
−
3
=
0
and
3
x
+
2
y
−
2
=
0
are concurrent for
Q.
The value(s) of a for which the lines 2x + y - 1 = 0; ax + 3y - 3 = 0 and 3x + 2y - 2 = 0 are concurrent, is/are: