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The '''characteristic polynomial''' of a matrix <math>A</math> is given by,
The '''characteristic polynomial''' of a matrix <math>A</math> is given by,
:<math>|A-\lambda I|</math>
:<math>|A-\lambda I|=0</math>
where <math>I</math> is the [[identity matrix]].
where <math>I</math> is the [[identity matrix]].
[[Category:mathematics]]
[[Category:mathematics]]