What is the solution of the quadratic inequality x2 − 2x − 3 < 0? (∞, -2) υ (3, ∞) (∞, -1] υ [3, ∞) (-1, 3) [-2, 3]

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.