Question-143018 Tinku Tara June 3, 2023 Algebra 0 Comments FacebookTweetPin Question Number 143018 by aupo14 last updated on 08/Jun/21 Answered by Dwaipayan Shikari last updated on 08/Jun/21 $$\left(−\mathrm{1}\right)^{{n}+\mathrm{1}} \:\:\:\:\:\:\:\:{n}\:{starts}\:{from}\:\mathrm{1} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Question-77481Next Next post: solve-y-cos-x-1-2-y-sin-x-e-x-sin-x- Leave a Reply Cancel replyYour email address will not be published.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.