n-1-1-n-n-1- Tinku Tara June 4, 2023 Arithmetic 0 Comments FacebookTweetPin Question Number 93859 by M±th+et+s last updated on 15/May/20 ∑∞n=11n(n+1) Answered by Ar Brandon last updated on 15/May/20 1n(n+1)=1n−1n+1⇒∑∞n=11n(n+1)=∑∞n=1[1n−1n+1]=limk→+∞∑kn=1[1n−1n+1]=limk→+∞[1−12+12−13+13−14+⋅⋅⋅+1k−1k+1]=limk→+∞[1−1k+1]=1 Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: if-a-3-b-3-513-ab-54-than-a-b-Next Next post: Question-159392 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.