Elements of a matrix A or orddr 10xx10 a...

Elements of a matrix `A` or orddr `10xx10` are defined as `a_(i j)=w^(i+j)` (where `w` is cube root of unity), then trace `(A)` of the matrix is `0` b. `1` c. `3` d. none of these

A

0

B

1

C

3

D

none of these

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The correct Answer is:

D

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