0 votes 0 votes Computer Networks cns network-security + – gabbar asked Apr 2, 2017 gabbar 431 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply BKB commented Apr 2, 2017 reply Follow Share What is the doubt ? 0 votes 0 votes gabbar commented Apr 2, 2017 reply Follow Share here which formula he is talking about..and how for n=30 the result .came...thats my doubt 0 votes 0 votes Please log in or register to add a comment.