Category: None

Question Number 188079 by 073 last updated on 25/Feb/23 Commented by 073 last updated on 25/Feb/23 $$\mathrm{f}\left(\frac{\mathrm{x}}{\mathrm{x}^{\mathrm{2}} +\mathrm{x}+\mathrm{1}}\right)=\frac{\mathrm{x}^{\mathrm{2}} }{\mathrm{x}^{\mathrm{4}} +\mathrm{x}^{\mathrm{2}} +\mathrm{x}} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)=? \\ $$$$\mathrm{please}\:\mathrm{solution}…

Question Number 122468 by SOMEDAVONG last updated on 17/Nov/20 $$\mathrm{I}.\int\mathrm{sin}\left(\mathrm{3}−\mathrm{cosx}\right)^{\mathrm{4}} \mathrm{dx}=? \\ $$ Answered by Dwaipayan Shikari last updated on 17/Nov/20 $$\int{sinx}\left(\mathrm{3}−{cosx}\right)^{\mathrm{4}} {dx}\:\:\:\:\mathrm{3}−{cosx}={t}\Rightarrow{sinx}=\frac{{dt}}{{dx}} \\ $$$$\int{t}^{\mathrm{4}}…

Question Number 56912 by Kunal12588 last updated on 26/Mar/19 $$\mathrm{If}\:{a}\:\mathrm{and}\:{b}\:\mathrm{are}\:\mathrm{positive}\:\mathrm{integers}\:\mathrm{such}\:\mathrm{that}\: \\ $$$$\left(\mathrm{1}+{ab}\right)\:\mathrm{divides}\:\left({a}^{\mathrm{2}} +{b}^{\mathrm{2}} \right)\:\mathrm{show}\:\mathrm{that}\:\mathrm{the}\:\mathrm{integer} \\ $$$$\frac{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }{\mathrm{1}+{ab}}\:\mathrm{must}\:\mathrm{be}\:\mathrm{a}\:\mathrm{perfect}\:\mathrm{square}. \\ $$ Commented by kaivan.ahmadi last updated…

Question Number 56895 by malwaan last updated on 26/Mar/19 $$\mathrm{26}/\mathrm{3}/\mathrm{2019} \\ $$$$\mathrm{4}\:\boldsymbol{{years}}\:\boldsymbol{{of}}\:\boldsymbol{{blood}} \\ $$$$\boldsymbol{{Stop}}\:\boldsymbol{{the}}\:\boldsymbol{{war}}\:\boldsymbol{{on}}\:\boldsymbol{{Yemen}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 187963 by Humble last updated on 24/Feb/23 $${solve}\:{for}\:{y}\:\:{if} \\ $$$$\mathrm{2}{y}+\mathrm{2}^{{y}^{\mathrm{2}} } +{y}^{\mathrm{3}} +\mathrm{4}{y}=\mathrm{9} \\ $$ Answered by a.lgnaoui last updated on 24/Feb/23 $$\mathrm{6}{y}+\mathrm{2}^{{y}^{\mathrm{2}}…