The series 18 23n+2 n=1 (372) 2 is a geometric series. (i) What is its initial term a ? a = (ii) What is the common ratio r ? r (iii) What is its sum… all info is in photoAttachment 1Attachment 2The series1823n+2n=1(372) 2is a geometric series.(i) What is its initial term a ?a =(ii) What is the common ratio r ?r(iii) What is its sum S ? Input 333 if the series is divergent.S =Submit AssignmentQui