1 2 '3 Question 6. {a} Find the eigenvalues and iegeuvectcrs cf the matrix A = 2 1 [I U [I 4 {h} 1Write the matrix asscciated tn the quadratic form r, y, 2:} = :I:2 - y2 + 4.32 + 43y. {c} Find the absolute maximum and the ahselute minimum cf the quadratic form f{ I1 y, z) = 3:2 - y2 + 42:2 + 4133;, on the sphere of radius 1 with equaticu 3:2 + y2 + 22 = 1. Give the paint or paints on the sphere on which this maximum and minimum cccur