判断下列矩阵是否可逆,若可逆,求它的逆矩阵.[tex=4.571x2.786]dEdrC9SQsN/3Vx39SaFo4LxwNJrq217/wqKvN/bofNoswLDKqNUUcYE0xE3VhocNC+djNAmbuP+ecoaUDr/I0Q==[/tex];
判断下列矩阵是否可逆,若可逆,求它的逆矩阵.[tex=4.571x2.786]dEdrC9SQsN/3Vx39SaFo4LxwNJrq217/wqKvN/bofNoswLDKqNUUcYE0xE3VhocNC+djNAmbuP+ecoaUDr/I0Q==[/tex];
1