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Application & Problem Solving

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  1. 1.

    If A^2 - 3A + 2I = O, then A^(-1) equals:

  2. 2.

    If A * adj(A) = 10I for a 3x3 matrix A, then det(A) is:

  3. 3.

    The value of |1 1 1; 1 2 3; 1 3 6| is:

  4. 4.

    If A is a 3x3 matrix with det(A) = -3, then det(2A) equals:

  5. 5.

    If A is a 5x5 skew-symmetric matrix, then det(A) is:

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