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Question
Mathematics
if [2x + y&4x 5x - 7&4x]=[7&7y -13 y&x +6], then the value of x, y respectively is
Q. if
[
2
x
+
y
5
x
−
7
4
x
4
x
]
=
[
7
y
7
y
−
13
x
+
6
]
, then the value of
x
,
y
respectively is
2268
204
Matrices
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A
3
,
1
9%
B
2
,
3
76%
C
2
,
4
10%
D
3
,
3
5%
Solution:
[
2
x
+
y
5
x
−
7
4
x
4
x
]
=
[
7
y
7
y
−
13
x
+
6
]
On comparing, we get
4
x
=
x
+
6
⇒
x
=
2
and
2
x
+
y
=
7
⇒
y
=
7
−
4
=
3