2-2-1-2-2-1-3-2-1-3-2-1-4-2-1-4-2-1-20-2-1-20-2-1- Tinku Tara June 3, 2023 None 0 Comments FacebookTweetPin Question Number 11838 by Peter last updated on 02/Apr/17 22+122−1+32+132−1+42+142−1+….+202+1202−1=….? Answered by ajfour last updated on 02/Apr/17 Tr=r2+1r2−1=r2−1+2r2−1=1+2(r−1)(r+1)Tr=1+1(r−1)−1(r+1)S=∑r=20r=2Tr=(1+11−13)+(1+12−14)+(1+13−15)+(1+14−16)+….…+(1+117−119)+(1+118−120)+(1+119−121)S=19+1+12−120−121S=20+169420. Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: If-2-log-2-x-3-log-3-y-log-6-x-4y-then-the-value-of-1-2y-2-x-Next Next post: Question-77377 Leave a Reply Cancel replyYour email address will not be published.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.