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Standard XII
Mathematics
Scalar Multiplication of a Matrix
Question
The value of
x
satisfying the equation
2
[
3
1
1
2
]
+
[
x
2
9
−
1
0
]
=
[
5
x
6
0
1
]
+
[
0
5
1
3
]
are
1
,
2
2
,
3
±
2
±
3
A
1
,
2
B
±
2
C
2
,
3
D
±
3
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Solution
Verified by Toppr
The correct option is
B
2
,
3
By comparing, we have
6
+
x
2
=
5
x
or
x
2
−
5
x
+
6
=
0
or
(
x
−
2
)
(
x
−
3
)
=
0
∴
x
=
2
,
3
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