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UPSC NDA II 2023 Mathematics Solved Paper
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© examsnet.com
Question : 19
Total: 120
The value of the determinant of a matrix
A
of order 3 is 3 . If
C
is the matrix of cofactors of the matrix
A
, then what is the value of determinant of
C
2
?
[NDA II 2023]
3
9
81
729
Validate
Solution:
👈: Video Solution
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