Cans of wood varnish come in three sizes. Small can: A 200 ml can costs £0.68. Medium can: A 500 ml can costs £1.66. Large can: A 3 l can costs £9.50. Calculate the cost of 3 l for the small and medium cans. Give your answer in pounds to 2 dp. Write the can that is the better value in the comments.

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.