JCECE Engineering JCECE Engineering Solved Paper-2002

  • question_answer
    If \[I\] is a unit matrix of order \[10\], then determinant of \[I\] is equal to:

    A) \[10\]                                   

    B) \[1\]

    C) \[1/10\]                                               

    D) \[9\]

    Correct Answer: B

    Solution :

    Key Idea: Determinant of identity matrix of any order is always equal to one. The determinant of a unit matrix of order \[10\]is\[1\].


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