f-1-f-x-f-x-f-x- Tinku Tara June 3, 2023 Algebra 0 Comments FacebookTweetPin Question Number 1280 by Rasheed Soomro last updated on 19/Jul/15 f(1f(x))=f(x)f(x)=? Commented by 123456 last updated on 19/Jul/15 f(x)=1x Commented by prakash jain last updated on 19/Jul/15 f(x)=ax+bcx+df(1f(x))=acx+dax+b+bccx+dax+b+d=ax+bcx+d[a(b+c)x+(b2+ad)](cx+d)]=[(c2+ad)x+d(b+c)](ax+b)ac(b+c)=a(c2+ad)⇒bc=adb2c+acd+abd+acd=ad(b+c)+(c2+ad)b⇒b2c+acd=c2b+abd⇒bc=add(b2+ad)=bd(b+c)⇒db2+ad2=b2d+bcd⇒bc=adf(x)=ax+bcx+bca=a2x+abacx+bcThisfunctionalequationwillalsohavemultiplesolutions. Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Determine-f-x-when-f-f-x-x-Next Next post: let-x-gt-0-and-f-x-1-2-t-1-t-2-2xt-1-dt-1-find-a-explicit-form-of-f-x-2-determine-also-g-x-1-2-t-2-t-t-2-2xt-1-dt-3-find-the-value-of-integrals-1-2-t-1-t-2-t-1-dt Leave a Reply Cancel replyYour email address will not be published.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.