godblesmachange godblesmachange 16-12-2022 Mathematics Answered Griven that OA = 3i+4j +7k, OB= 4i+ 3j +ak and OC = i +6j +3k. Show points A, B and C are colinear Given that 0A = 2i +3j and OB=3i-2j Find the magnitude of AB to one decimal place.