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Determinants Te...

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  • Question 1
    1 / -0.25

    Inverse of a matrix A exists, if ​

  • Question 2
    1 / -0.25

    If A = , and |3A| = k|A|, then the value of k is

  • Question 3
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    Find the value of  

  • Question 4
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    If A =, then adj A is:

  • Question 5
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    The cofactor of an element 9 of the determinant   is :

  • Question 6
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    The minor Mij  of an element aij  of a determinant is defined as the value of the determinant obtained after deleting the ​

  • Question 7
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    The cofactor of 5 in  

    ​

  • Question 8
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    If  , then the relation between x and y is

  • Question 9
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    If matrix A =   and A2  + aA + b = O, then the values of a and b are:

  • Question 10
    1 / -0.25

    If    and Aij  are cofactors of aij , then

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