The people at the water park 3/7 are children ages 3 through 12 and 2/7 are teens another 1/7are children under the age of 3 the other people are adults there are 87 adults at the park how many people in all are at the park

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.