1. ESPAIS VECTORIALS 1. Estudieu si F i G s´on subespais vectorials de E, essent: a) E = R 4 , F = ¦(x, y, z, t) ∈ R 4 [ x −y = 0¦ , G = [(−1, 1, 0, 0), (0, 0, 1,…
