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Category: Relation and Functions

Question-115997

Question Number 115997 by bemath last updated on 30/Sep/20 Answered by bobhans last updated on 30/Sep/20 $$\left(\mathrm{1}\right){f}\left(\frac{\mathrm{1}}{{x}}\right)+{f}\left(\mathrm{1}−{x}\right)\:=\:{x}\rightarrow{f}\left(\mathrm{1}−{x}\right)={x}−{f}\left(\frac{\mathrm{1}}{{x}}\right) \\ $$$${replace}\:\mathrm{1}−{x}\:{by}\:{x} \\ $$$$\left(\mathrm{2}\right)\:{f}\left(\frac{\mathrm{1}}{\mathrm{1}−{x}}\right)\:+\:{f}\left({x}\right)\:=\:\mathrm{1}−{x} \\ $$$${replace}\:\frac{\mathrm{1}}{{x}}\:{by}\:\mathrm{1}−{x}\: \\ $$$$\left(\mathrm{3}\right)\:{f}\left(\mathrm{1}−{x}\right)+{f}\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{1}−{x}}\right)=\mathrm{1}−\frac{\mathrm{1}}{\mathrm{1}−{x}}…

f-2-x-f-2x-2f-x-2-f-1-3-f-6-

Question Number 115960 by Fikret last updated on 29/Sep/20 $${f}^{\mathrm{2}} \left({x}\right)={f}\left(\mathrm{2}{x}\right)+\mathrm{2}{f}\left({x}\right)−\mathrm{2}\: \\ $$$${f}\left(\mathrm{1}\right)=\mathrm{3}\:\:\:\Rightarrow\:{f}\left(\mathrm{6}\right)=? \\ $$ Commented by prakash jain last updated on 29/Sep/20 $$\mathrm{power}\:\mathrm{converted}\:\mathrm{into}\:\mathrm{linear} \\…

find-all-function-f-continues-from-R-to-R-x-h-R-2-f-x-f-y-x-y-x-y-f-t-dt-

Question Number 50411 by Abdo msup. last updated on 16/Dec/18 $${find}\:{all}\:{function}\:{f}\:\:{continues}\:{from}\:{R}\:{to}\:{R}\:/ \\ $$$$\forall\left({x},{h}\right)\in{R}^{\mathrm{2}} \:\:\:{f}\left({x}\right).{f}\left({y}\right)=\int_{{x}−{y}} ^{{x}+{y}} \:{f}\left({t}\right){dt}\:. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

let-V-n-1-2n-1-1-2n-3-1-4n-1-determine-lim-n-V-n-

Question Number 50405 by Abdo msup. last updated on 16/Dec/18 $${let}\:\:{V}_{{n}} =\:\frac{\mathrm{1}}{\mathrm{2}{n}+\mathrm{1}}\:+\frac{\mathrm{1}}{\mathrm{2}{n}+\mathrm{3}}\:+…+\frac{\mathrm{1}}{\mathrm{4}{n}−\mathrm{1}} \\ $$$${determine}\:{lim}_{{n}\rightarrow+\infty} \:{V}_{{n}} \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 17/Dec/18 $${V}_{{n}}…