DHUWOLHANSINI1224 DHUWOLHANSINI1224 29-09-2022 Mathématiques Answered P,Q abd R are point with coordinates (0,-1),(2,1) and (5,4) respectively (a) write PQ and QR as column vectors (b) what is the relationahip between PQ and QR ?(c) what can you say about the point |PQ| and | QR|