[線代] 線代(19)

[PttFund (批踢踢基金)]

Let

            ( 0 1 0 1 )
        A = ( 1 0 1 0 ).
            ( 0 1 0 1 )
            ( 1 0 1 0 )

Find

(1) the determinant of A.
(2) the characteristic polynomial of A.

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