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Standard XII
Mathematics
Addition and Subtraction of a Matrix
Question
If
A
+
[
4
2
1
3
]
=
[
6
9
1
4
]
,
then
A
=
[
2
7
0
1
]
[
0
1
2
7
]
[
1
0
2
7
]
[
2
1
0
7
]
A
[
2
7
0
1
]
B
[
1
0
2
7
]
C
[
0
1
2
7
]
D
[
2
1
0
7
]
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Solution
Verified by Toppr
The correct option is
A
[
2
7
0
1
]
A
=
[
6
9
1
4
]
−
[
4
2
1
3
]
=
[
2
7
0
1
]
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Similar Questions
Q1
If
A
+
[
4
2
1
3
]
=
[
6
9
1
4
]
,
then
A
=
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Q2
If
3
[
4
2
1
3
]
−
2
[
−
2
1
3
2
]
+
[
x
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4
3
y
]
=
0
,
then
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,
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)
=
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Q3
If ,
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2
1
3
]
−
2
[
−
2
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3
2
]
+
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x
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y
]
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0
then
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x
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Q4
The lowest Eigen value of the
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3
]
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Q5
The lowest eigen value of the 2 x 2 matrix
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]
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