Question

If-1.-2 are the eigenvalue of a 2x 2 matrix A, then the characteristic polynomial
of A is​

Answer 1

Step-by-step explanation:

General Information. The characteristic polynomial of a 2x2 matrix A is a polynomial whose roots are the eigenvalues of the matrix A . It is defined as det(A−λI) det ( A - λ I ) , where I is the identity matrix.

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