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If A and B are two square matrices of th...

If A and B are two square matrices of the order 3, then the value of 998 `tr(I)-999 tr(AB)+999tr` (BA) is

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Knowledge Check

  • If A and B are square matrices of the same order and AB=3I , then A^(-1)=

    A
    `3B`
    B
    `3B^(-1)`
    C
    `(1)/(3)B`
    D
    `(1)/(3)B^(-1)`

  • If A and B are matrices of same order, then (AB'-BA') is a

    A
    skew-symmetric matrix
    B
    unit matrix
    C
    symmetric matrix
    D
    unit matrix

  • If A and B are square matrices of the same order and AB = 3I, then A^(-1) is equal to

    A
    3B
    B
    `1/3 B`
    C
    `3B^(-1)`
    D
    `1/3 B^(-1)`

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    If A,B are symmetric matrices of same order, then AB-BA is a :

    If A and B are square matrices of same order 3 , such that |A|=2 and AB=2I , write the value of |B|

    If A and B are square matrices of the same order 3 , such that |A|=2 and AB=2I , write the value of |B| .

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