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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2008

  • question_answer
    The characteristic roots of the matrix \[\left[ \begin{matrix}    1 & 0 & 0  \\    2 & 3 & 0  \\    4 & 5 & 6  \\ \end{matrix} \right]\] are

    A)  \[1,3,6\]                             

    B)  \[1,2,4\]

    C)  \[4,5,6\]                             

    D)  \[2,4,6\]

    Correct Answer: A

    Solution :

    Since, given matrix is a triangular matrix, so its characteristic roots are the diagonal elements. Hence, required roots are  \[1,3,6\].


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