简答题:设A为n阶方阵，满足A<img src="http://www.weimei168.com/uploads/202208/161267046441211.png" width="14" height="25" />-3A—2E=0，其中A可逆，求A<img src="http://www.weimei168.com/uploads/202208/161267046997001.png" width="15" height="25" /> <p> <br />