b) L (B.A) = {(1,1) + (2-1) er}. Ra (-1,2).

c) L (B.A) = {(-2, –1) + t (-1,2) | te R}, X (1,3).

d) L (B, A) = {t (-1,1) | t e R},

(-2.-5).
Ayúdeme porfa urgente