设3阶矩阵A满足|A-E|=|A+2E|=|2A+3E|=0,则|2A*-3E|=________.

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问题 设3阶矩阵A满足|A-E|=|A+2E|=|2A+3E|=0,则|2A*-3E|=________.

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