Determine which of the following transformations are linear transformations o A. The transformation T defined by TOr1,r2 (4r1 -2r2,3 r2 M B. The transformation T defined by T (T1, a2) (2a1 3r2,ar1 4, 5a2) C. The transformation T defined by T(a1,ra, ra) (a 1,0, 3) D. The transformation T defined by T (T1,T2, T3 (1,r2, 3) o E. The transformation T defined by T(r1,r2, a3) T1, a2, ra)