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( A= left[ begin array lll 0 & 1 & 2 1 & 2 & 3 3 & 1 & 1 end array right], B= left[ begin array ccc x & y & z x^ 2 & y^ 2 & z^ 2 x^ 3 -1 & y^ 3 -1 & z^ 3 -1 end array right] ) | Suva Ai