[" ch of the following are APs? If they form an AP,find the common difference "d" and "4],[" three more terms."],[[2,4,8,16,...," (ii) "2,(5)/(2),3,(7)/(2),...],[-1.2,-3.2,-5.2,-7,2,...,(" iv ")-10,-6,-2,2,...],[3,3+sqrt(2),3+2sqrt(2),3+3sqrt(2),...," (vi) "0.2,0.22,0.222,0.2222,...],[0,-4,-8,-12,...," (viii) "-(1)/(2),-(1)/(2),-(1)/(2),-(1)/(2),...]]