using suitable transformation, determine b(T)b' given that;

i)B = {(1,0,0,0),(0,1,0,0),(0,0,1,0),(0,0,0,1)}
ii) B' = {(1,0,0),(0,1,0),(0,0,1)}
iii) b = {(1,0,0,2),(2,0,3,0),(0,0,0,1),(0,-1,1,0)}
iv) b' = {(1,0,1),(1,2,3),(0,1,2)}

and the linear transformation T : V4(R) -> v3(R) defined by

T(a1,a2,a3,a4) = (a1+a2,a2+a3,a3+a4)

thank you for any help, cant even start it =/

Rodregez