Question Number 56813 by maxmathsup by imad last updated on 24/Mar/19 $${study}\:{the}\:{sequence}\:\:{U}_{{n}+\mathrm{1}} =\sqrt{\frac{\mathrm{1}+{u}_{{n}} }{\mathrm{2}}} \\ $$$${with}\:{U}_{\mathrm{0}} ={a}>\mathrm{0}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 122337 by benjo_mathlover last updated on 15/Nov/20 $$\:{Find}\:{domain}\:{of}\:{function} \\ $$$$\:{r}\left({x}\right)\:=\:\mathrm{arc}\:\mathrm{cos}\:\:\left(\frac{\mathrm{3}}{\mathrm{4}+\mathrm{2sin}\:{x}}\right) \\ $$ Commented by liberty last updated on 16/Nov/20 $$\mathrm{The}\:\mathrm{function}\:\mathrm{defined}\:\mathrm{for}\:\mathrm{values}\:\mathrm{of}\:\mathrm{x} \\ $$$$\mathrm{for}\:\mathrm{which}\:−\mathrm{1}\leqslant\:\frac{\mathrm{3}}{\mathrm{4}+\mathrm{2sin}\:\mathrm{x}}\:\leqslant\:\mathrm{1}\:. \\…
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Question Number 122128 by bemath last updated on 14/Nov/20 $$\:{For}\:{which}\:{numbers}\:{a},{b},{c},{d}\: \\ $$$${will}\:{the}\:{function}\: \\ $$$$\:\:\:\:\psi\left({x}\right)=\:\frac{{ax}+{b}}{{cx}+{d}}\:{satisfy}\:\psi\left(\psi\left({x}\right)\right)=\:{x}\: \\ $$$${for}\:{all}\:{x}. \\ $$ Commented by liberty last updated on 14/Nov/20…
Question Number 56583 by maxmathsup by imad last updated on 18/Mar/19 $${let}\:{f}\left({x}\right)\:=\frac{{cosx}}{{x}^{\mathrm{2}} \:+\mathrm{1}} \\ $$$$\left.\mathrm{1}\right)\:{calculate}\:{f}^{\left({n}\right)} \left({x}\right)\:\:{then}\:{f}^{\left({n}\right)} \left(\mathrm{0}\right) \\ $$$$\left.\mathrm{2}\right){calculste}\:{f}^{\left({n}\right)} \left(\mathrm{0}\right) \\ $$$$\left.\mathrm{3}\right)\:{developp}\:{f}\:{at}\:{integr}\:{serie}\:. \\ $$ Commented…
Question Number 122074 by bemath last updated on 13/Nov/20 $$\:{Given}\:{f}\::{R}\rightarrow{R}\:{such}\:{that}\: \\ $$$$\:{x}^{\mathrm{2}} \:{f}\left({x}\right)+{f}\left(\mathrm{1}−{x}\right)\:=\:\mathrm{2}{x}−{x}^{\mathrm{4}} \\ $$$$\:{find}\:{f}\left({x}\right). \\ $$ Answered by bobhans last updated on 14/Nov/20 $$\left(\mathrm{1}\right)\:{x}^{\mathrm{2}}…
Question Number 187515 by horsebrand11 last updated on 18/Feb/23 $$\:{Given}\:{f}\left({x}\right)+\mathrm{2}{f}\left(\frac{\mathrm{1}}{{x}}\right)+\mathrm{3}{f}\left(\frac{{x}}{{x}−\mathrm{1}}\right)={x} \\ $$$$\:{f}\left({x}\right)=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 121884 by oustmuchiya@gmail.com last updated on 12/Nov/20 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 56332 by maxmathsup by imad last updated on 14/Mar/19 $${calculate}\:{lim}_{{x}\rightarrow\mathrm{0}} \:\:\:\frac{{arctan}\left(\mathrm{1}+{cosx}\right)−{arctan}\left(\mathrm{2}+{x}\right)}{{x}^{\mathrm{3}} } \\ $$ Answered by kaivan.ahmadi last updated on 07/Apr/19 $$\sim{lim}_{{x}\rightarrow\mathrm{0}} \frac{\mathrm{1}+{cosx}−\mathrm{2}−{x}}{{x}^{\mathrm{3}}…
Question Number 56331 by maxmathsup by imad last updated on 14/Mar/19 $${calculate}\:{lim}_{{x}\rightarrow\mathrm{0}} \:\:\:\:\:\frac{{ch}\left({cosx}\right)−{cos}\left({chx}\right)}{{x}^{\mathrm{2}} } \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com