设矩阵A=<img src="/lqwvjeImg/75/75405c526745dd3886ffb4d17abb55a1.png" style="width:61px;height:62px;">,则A-1等于( )<br>·<img src="/lqwvjeImg/ec/ec6fc2d32fda149f2dab074cc1479638.png" <br>·<img src="/lqwvjeImg/d2/d216737496b35a40887624fb155753c8.png" <br>·<img src="/lqwvjeImg/a3/a381678941007c954ffdfa26dbce7695.png" <br>·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15529763452134b09802daba44e2a86efcee5fd5c3efcimage72.png"

设矩阵A=

,则A-1等于( )
·

·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15529763452134b09802daba44e2a86efcee5fd5c3efcimage72.png"

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