2a-b,4a-3b,6a-5b are in A.P or G.P Share with your friends Share 1 H L Bose answered this consecutive terms of ap differs by a common difference D D=4a-3b-(2a-b)=2a - 2b D=6b-5b-(4a-3b) =2a - 2b hence it is an AP 4 View Full Answer Subhashis Dash answered this ckgh -1 Vishnu Sai P answered this ok sure -1 Abhash Mandal answered this It is an Arithmetic Progression. -1 Rakesh Shankar Singh answered this fhj 0 Gnana Shri Tej answered this how it is A.P give clear explanation i will give you thumbs up 1