Question
Mathematics Question on Matrices
If A is a skew symmetric matrix, then trace of A is
A
1
B
-1
C
0
D
none of these
Answer
0
Explanation
Solution
Since A is skew symmetric. ∴ each diagonal entry = 0 ∴ trace A = 0
If A is a skew symmetric matrix, then trace of A is
1
-1
0
none of these
0
Since A is skew symmetric. ∴ each diagonal entry = 0 ∴ trace A = 0