Answer to Question #261086 in Linear Algebra for talie

Question

Given the matrices A =





0 5 7

−2 7 7

−1 1 4



 and B =

 √

3

√

2

−

√

5

√

7



,

(a) Find |A|, A^−1 and B^−1 using row operations. [15]

(b) Find the characteristics polynomial of all the the matrices.

(c) Find the eigenvalues and eigenvectors of both matrices