if-x-3-1-and-x-1-simplificar-1-x-4-1-x-5-3- Tinku Tara June 4, 2023 Algebra 0 Comments FacebookTweetPin Question Number 163897 by HongKing last updated on 11/Jan/22 ifx3=1andx≠1simplificar(1x41+x5)3 Answered by mr W last updated on 11/Jan/22 x3=1x4=xx5=x2=x3x=1x(1x41+x5)3=(1x(1+1x))3=1(1+x)3=11+3x+3x2+x3=13(x2+x+1)−1=13×x3−1x−1−1=13×0−1=−1 Commented by HongKing last updated on 11/Jan/22 thankyousomuchmydearSircool Answered by Rasheed.Sindhi last updated on 14/Jan/22 Anotherwayx3=1andx≠1;(1x41+x5)3=?x3−1=0⇒(x−1)(x2+x+1)=0⇒x2+x+1=0[∵x≠1]x3=1∧x2+x+1=0x3=1:(1x41+x5)3=(1x3⋅x1+x3⋅x2)3=(1x1+x2)3=(1x1−x−1)3[∵x2=−x−1]=(−1x2)3=−1(x3)2=−1 Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Find-0-1-cos-ax-x-1-x-dx-Next Next post: prouve-a-bc-si-a-b-1-alors-a-c- Leave a Reply Cancel replyYour email address will not be published.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.