0 votes 0 votes https://gateoverflow.in/3561/gate2006-it-22 ANYONE HELP WITH THE LITTLE EASY APPROACH ? Deepanshu asked Aug 26, 2018 Deepanshu 165 views answer comment Share Follow See 1 comment See all 1 1 comment reply Shaik Masthan commented Aug 26, 2018 reply Follow Share it is already simplified.... if you didn't get it, go step by step let E= ( 1×(p) ) + ( 2×(1−p)(p) ) + ( 3×(1−p)(1−p)(p) )+… =======> (1) multiply both side with (1−p) and subtract: multiply both side with (1-p) =======> (2) subtract (1) and (2) 1 votes 1 votes Please log in or register to add a comment.