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BCECE Engineering BCECE Engineering Solved Paper-2008

  • question_answer
    If A is an inverrible matrix of order n, then the determinant of \[adj\,(A)\] is equal to

    A)  \[|A{{|}^{n}}\]     

    B)         \[|A{{|}^{n+1}}\]

    C)         \[|A{{|}^{n-1}}\] 

    D)         \[|A{{|}^{n+2}}\]

    Correct Answer: C

    Solution :

    Since A is an invertible matrix of orders, then the determinant of adj\[(A)=|A{{|}^{n-1}}\]


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