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linear alg

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How to find the characteristic equation of this matrix?
4 -5
2 -3

  • linear alg - ,

    (4-x) -5
    2 (-3-x)
    find determinant
    (4-x)(-3-x) + 10 = 0
    -12 -7x + x^2 + 10 = 0
    x^2 -7 x - 2 = 0

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