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Byju's Answer
Standard XII
Mathematics
Definition of a Determinant
If A is a s...
Question
If
A
is a square matrix of order
3
×
3
such that
|
A
|
=
5
, then find
|
4
A
|
.
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Solution
Given that:
|
A
|
=
5
|
4
A
|
=
4
3
×
|
A
|
=
4
3
×
5
=
320
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