Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If
, then |adj(adj(2A))| is equal to
Text Solution
Verified by ExpertsThe correct answer is:
D
Given,




Now using the property of adjoint of matrix we get,
|adj(adj(A))|=
&|kA|= k n |A|, where n is order of square matrix,
Now using the above two formula we get,
|adj(adj(2A))|= |2A| 4 = 2 12 |A| 4
|adj(adj(2A))|=2 12 .2 4
|adj(adj(2A))|=2
16
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