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If A=[(6,8,5),(4,2,3),(9,7,1)] is the su...

If `A=[(6,8,5),(4,2,3),(9,7,1)]` is the sum of a symmetric matrix C, then B is

A

`[(6,6,7),(6,2,5),(7,5,1)]`

B

`[(0,2,-2),(-2,5,-2),(2,2,0)]`

C

`[(6,6,7),(-6,2,-5),(-7,5,1)]`

D

`[(0,6,-2),(2,0,-2),(-2,-2,0)]`

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A
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