(6) In each part below, find a basis for R4 CONTAINED IN thegiven set, or explain why that is not possible: Do not usedimension
(a) {(1,1,0,0),(1,0,1,0),(0,1,1,0)}
(b) {(1,?1,0,0),(1,0,?1,0),(0,1,?1,0),(0,0,0,1)}
(c) {(1,1,0,0),(1,?1,0,0),(0,1,?1,0),(0,0,1,?1)}
(d) {(1,1,1,1),(1,2,3,4),(1,4,9,16),(1,8,27,64),(1,16,81,256)}