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If S=[0 1 1 1 0 1 1 1 0]a n dA=[b+cc+a b...

If `S=[0 1 1 1 0 1 1 1 0]a n dA=[b+cc+a b-cc-b c+b a-bb-c a-c a+b](a ,b ,c!=0),t h e nS A S^(-1)` is a. symmetric matrix b. diagonal matrix c. invertible matrix d. singular matrix

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