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59: 5
if p(x) = x2 - 1 and 4(x) = 5(x-1), which expression is equivalent to (p -9)x)?
5(x - 1) - xp-1
(5x - 1) – (x2 - 1)
(x2 - 1) - 5(x - 1)
(x2 - 1) - 5x-1

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.