Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
be the adjoint of a matrix A and |A|= 2. Then 
is equal to
Text Solution
Verified by ExpertsThe correct answer is:
C
We have been given that 
And adj(A) = B,|A|=2
|adj(A)| = |B|
We know that |adjA|= |A| n-l 
2
2 = (8 - 3 
) - 3(4 - 3 
) + 
(- 
)
2 - 6 
+ 8 = 0
( 
-4)( 
-2) = 0
= 4, 2 but 
> 2 so 
Now 
Hence this is the correct option.
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