Shouldn't AC vector = i^ -3j^ -5k^ ?!.. Share with your friends Share 0 Shruti Tyagi answered this Dear Student, OA→=2i→-j→+k→OC→=3i→-4j→-4k→⇒AC→=OC→-OA→⇒AC→=3-2i→-4-1j→-4+1k→AC→=1i→-3j→-5k→ Regards, 0 View Full Answer