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(Solved): (1 point) Find the characteristic polynomial of the matrix. Use x as your var ...



(1 point) Find the characteristic polynomial of the matrix. Use \( x \) as your variable instead of \( \lambda \).
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A=\left???????

(1 point) Find the characteristic polynomial of the matrix. Use as your variable instead of .


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Characteristics equation of the given matrix

  

Where   elements

   are cofactors.
det A = Determinant of matrix A
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