判断方阵[tex=7.857x3.929]jyVOORWehIbTNQvvtYroWgTynZhgbBwHsJeKm7Qp9JX+s3P69lyESSeK6nZqmoRisGfJPelS4ze2UlOdBKwqBxxSNzyAU+wnA6uyOL7vqIuB5oc5gXvK0RSIlMetEjlY[/tex]是否可逆，可逆时，求其逆矩阵。
举一反三
- 判断下列矩阵是否可逆，若可逆，利用伴随矩阵求其逆矩阵.[tex=7.857x3.929]075gCzZzsMRb6HYXYk9X9/9RgFi+jPqFLx2vxFS9n70p1HQcMDbXaRolLDQuN7uP9Gc42fwXPaR70hlVVHTp3A7L+B5z5me3Vtu/iKMxTrZPslmM5TxtxCWlDHesAO4l[/tex]
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=
- 判断下列矩阵是否可逆，如可逆，求其逆矩阵。[tex=11.0x2.786]075gCzZzsMRb6HYXYk9X99kndfbJ3U3QeBg7vJXXA4luJy1yxxuTOQvqIyyBqshL428ndH8tvuv6vlDeTXQOOFfaeSkA1nbcvv6TQcRSyyg=[/tex].
- 判断下列矩阵是否可逆，如可逆，求其逆矩阵。[tex=4.5x2.786]075gCzZzsMRb6HYXYk9X98Bx4qQzofsBY7t5M5pA9ow/DwgrOlomrVRh8j9NWxyHY0RdbrnwlRwGPwO7KsmEaA==[/tex].
- 判断下列矩阵是否可逆，若可逆则求其逆矩阵.[tex=6.143x3.5]jcCMHflCR8OS9TosV6N5vPAdpRpt90FnWfGRnax74yj1pIWGFrlsA1FV6sUWB3pQvUlSTyBKLgqlehf1rlco41FLM9aTotOKaxEjDL7131M=[/tex]