proof-that-a-2-a-b-a-c-b-2-b-c-b-a-c-2-c-a-c-b-a-b-c- Tinku Tara June 4, 2023 Algebra 0 Comments FacebookTweetPin Question Number 30456 by daffa123 last updated on 22/Feb/18 proofthata2(a−b)(a−c)+b2(b−c)(b−a)+c2(c−a)(c−b)=a+b+c Answered by Rasheed.Sindhi last updated on 22/Feb/18 a2(a−b)(a−c)+b2(b−c)(b−a)+c2(c−a)(c−b)=a+b+cLHS−a2(b−c)−b2(c−a)−c2(a−b)(a−b)(b−c)(c−a)=−a2b−ab2+b2c−a2c−bc2+ac2(a−b)(b−c)(c−a)=−ab(a−b)+c(b2−a2)−c2(b−a)(a−b)(b−c)(c−a)=−ab(a−b)−c(a2−b2)+c2(a−b)(a−b)(b−c)(c−a)=−(a−b){ab−c(a+b)+c2}(a−b)(b−c)(c−a)=−(a−b){ab−ac−bc+c2}(a−b)(b−c)(c−a)=−a(b−c)−c(b−c)(b−c)(c−a)=−(b−c)(a−c)(b−c)(c−a)=(b−c)(c−a)(b−c)(c−a)=1≠a+b+c Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Question-30455Next Next post: lim-n-n-1-x-n-x-2-1-x-2-x-n-1-dx-n-1-2- Leave a Reply Cancel replyYour email address will not be published.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.