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If A and B are both 4xx4 non-singular ma...

If A and B are both `4xx4` non-singular matrices such that `A+B=0" and "|A|=2," then ":B^(-1)=`

A

`(1)/(2)(adj.B)`

B

`-(1)/(2)(adj.B)`

C

`2(adj.B)`

D

`-2(adj.B)`

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A
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