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  1. The matrix A is defined as A = . The eigen values of A2 are

    2. A.
    -1, -9, -4
    B.
    1, 9, 4
    C.
    1, 3, -2
    D.
    -1, -3, 2

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    Answer : Option B

    Explanation :

    Since the given matrix is triangular, roots are elements of the principle diagonal.

    i.e. 1A = - 1, - 3, 2

    1A2 = (- l)2, (- 3)2, (2)2 = 1, 9, 4.

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