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Standard XII
Mathematics
Addition and Subtraction of a Matrix
Question
If
[
x
y
1
6
]
=
[
1
8
1
6
]
,
then
x
+
2
y
=
13
17
19
None of these
A
13
B
19
C
None of these
D
17
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Solution
Verified by Toppr
By equating given matrices, we have
x
=
1
and
y
=
8
∴
x
+
2
y
=
17
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