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Byju's Answer
Standard XIII
Mathematics
Adjoint of a Matrix
If A is 6 × 6...
Question
If A is
6
×
6
matrix and
|
|
A
|
a
d
j
(
|
A
|
A
)
|
=
|
A
|
n
, then
n
is
A
40
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B
31
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C
25
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D
41
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Solution
The correct option is
D
41
|
|
A
|
a
d
j
(
|
A
|
A
)
|
=
|
A
|
6
|
a
d
j
(
|
A
|
A
)
|
=
|
A
|
6
×
|
|
A
|
A
|
5
=
|
A
|
6
×
(
|
A
|
6
|
A
|
)
5
=
|
A
|
6
×
|
A
|
35
=
|
A
|
41
So n = 41
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Q.
If A is
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d
j
(
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|
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, then
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