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Definition of Relations

If A is a ...

Question

If $A$ is a $3 \times 3$ skew-symmetric matrix, then the trace of $A$ is equal to

A

- 1

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B

1

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C

| A |

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D

0

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Solution

The correct option is D $0$
We know that in a skew-symmetric matrix, diagonal elements are always 0.
So, its trace is 0.

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