Solve-by-mathematical-induction-that-1-1-1-2-1-1-2-3-1-1-2-3-n-2n-n-1- Tinku Tara June 3, 2023 Number Theory 0 Comments FacebookTweetPin Question Number 11854 by tawa last updated on 02/Apr/17 Solvebymathematicalinductionthat1+11+2+11+2+3+…+11+2+3+…+n=2nn+1 Answered by sandy_suhendra last updated on 03/Apr/17 forn=11=2.11+1(istrue)forn=k1+11+2+…+11+2+3+…+k=2kk+1forn=(k+1)shouldbe=2(k+1)[(k+1)+1][1+11+2+…+11+2+3…+k]+11+2+3+…+k+(k+1)=2kk+1+1k+12(1+k+1)=2kk+1+2(k+1)(k+2)=2k(k+2)+2(k+1)(k+2)=2k2+4k+2(k+1)(k+2)=2(k+1)(k+1)(k+1)[(k+1)+1]=2(k+1)[(k+1)+1](isproved) Commented by Mr Chheang Chantria last updated on 03/Apr/17 perfectsolution. Commented by tawa last updated on 03/Apr/17 Godblessyousir. Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: A-student-did-not-notice-that-the-multiplication-sign-between-two-7-digits-numbers-amd-wrote-one-14-digits-number-which-turned-out-to-be-3-times-the-would-be-product-What-are-the-initial-numbers-Next Next post: Ten-men-are-present-at-a-club-In-how-many-ways-can-four-be-chosen-to-play-bridge-if-two-men-refuse-to-sit-at-the-same-table- Leave a Reply Cancel replyYour email address will not be published.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.