1.

If A= ( begin{bmatrix}i&1 0&i end{bmatrix} ), then the correct relation is ___________

A. A+A = ( begin{bmatrix}1&0 -1&0 end{bmatrix} )
B. A-A = ( begin{bmatrix}1&0 -1&0 end{bmatrix} )
C. A+A = ( begin{bmatrix}0&1 -1&0 end{bmatrix} )
D. A-A = ( begin{bmatrix}0&1 -1&0 end{bmatrix} )
Answer» E.


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