<p>设<img alt="" width="83" height="44" style="width: 100%;height: auto;" src="https://learnfile.20230611.cn/learnAppQuestion/32/b7/32b7bef519334ae87e08a90b8bf00251.png"><span style="font-size: 14px;">，则A的伴随阵<img alt="" width="144" height="56" style="