Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
and 
be a matrix such that 
. Then the sum of the diagonal elements of 
is equal to 
.
Text Solution
Verified by ExpertsThe correct answer is:
3
(3)
A is skew-symmetric ( 
).
From 
:
.
.
Since 
is skew-symmetric, 
and 
commute:
.
.
Trace of 
.
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