Look at Definition 1.2 of the lecture. Let M- (a) Compute a Q-basis of EM(-1). (b) Compute a Q-basis of EM (2). (c) Compute a Q-basis of EM (3). 5 3 3 2 -2 12 -6 1 -1 -1 -1 2 2 1-7~ -2 NNULE 27111