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    Eigenvalues

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    For which value of k does the matrix
    A = 1 k
    4 8

    have one real eigenvalue of multiplicity 2?

    K=___?

    © BrainMass Inc. brainmass.com February 24, 2021, 2:34 pm ad1c9bdddf
    https://brainmass.com/math/linear-algebra/eigenvalues-matrix-functions-29942

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    We can get the characteristic equation as follows.
    ...

    Solution Summary

    An eigenvalue of given multiplicity is found. The real eigenvalues of multiplicity is discussed.

    $2.19

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