Question Number 65366 by Tawa1 last updated on 29/Jul/19 Commented by Prithwish sen last updated on 29/Jul/19 $$\mathrm{the}\:\mathrm{length}\:\mathrm{is} \\ $$$$=\:\mathrm{3}\:+\:\mathrm{2}×\mathrm{2}\:+\mathrm{2}×\frac{\mathrm{2}^{\mathrm{2}} }{\mathrm{3}}\:+\:\mathrm{2}×\frac{\mathrm{2}^{\mathrm{3}} }{\mathrm{3}^{\mathrm{2}} }\:+\:\mathrm{2}×\frac{\mathrm{2}^{\mathrm{4}} }{\mathrm{3}^{\mathrm{3}} }\:+\:…….…
Question Number 65365 by aditya@345 last updated on 29/Jul/19 $$\mathrm{3sinA}+\mathrm{4cosB}=\mathrm{6} \\ $$$$\mathrm{3cosA}+\mathrm{4sinB}=\mathrm{1} \\ $$$$\mathrm{find}\:\mathrm{angle}\:\mathrm{C} \\ $$ Answered by Tanmay chaudhury last updated on 29/Jul/19 $$\left(\mathrm{3}{sinA}+\mathrm{4}{cosB}\right)^{\mathrm{2}}…
Question Number 130899 by greg_ed last updated on 30/Jan/21 $$\mathrm{There}\:\mathrm{are}\:\mathrm{20}\:\mathrm{persons}\:\mathrm{at}\:\mathrm{a}\:\mathrm{party}. \\ $$$$\mathrm{Maria}\:\mathrm{dansed}\:\mathrm{with}\:\mathrm{7}\:\mathrm{boys}, \\ $$$$\mathrm{Stacy}\:\mathrm{dansed}\:\mathrm{with}\:\mathrm{8}\:\mathrm{boys}, \\ $$$$\mathrm{Monia}\:\mathrm{dansed}\:\mathrm{with}\:\mathrm{9}\:\mathrm{boys}\:\mathrm{and} \\ $$$$\mathrm{Eve}\:\mathrm{dansed}\:\mathrm{with}\:\mathrm{all}\:\mathrm{the}\:\mathrm{boys}\:\mathrm{at}\:\mathrm{the}\:\mathrm{party}. \\ $$$$\boldsymbol{\mathrm{How}}\:\boldsymbol{\mathrm{many}}\:\boldsymbol{\mathrm{girls}}\:\boldsymbol{\mathrm{are}}\:\boldsymbol{\mathrm{there}}\:\boldsymbol{\mathrm{at}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{party}}\:? \\ $$ Commented by mr…
Question Number 130897 by mohammad17 last updated on 30/Jan/21 Commented by malwan last updated on 30/Jan/21 من اين انت اخي محمد؟ Commented by mohammad17 last updated on 30/Jan/21 $$\:{Im}\:{from}\:{iraq}…
Question Number 130894 by EDWIN88 last updated on 30/Jan/21 $${Find}\:{the}\:{function}\:{f}\left({x}\right)\:{if}\: \\ $$$$\:\mathrm{3}{f}\left({x}−\mathrm{1}\right)−{f}\left(\frac{\mathrm{1}−{x}}{{x}}\right)\:=\:\mathrm{2}{x}\: \\ $$ Commented by benjo_mathlover last updated on 30/Jan/21 այս հարցը շատ հետաքրքիր է Commented by EDWIN88…
Question Number 65359 by 237174/13/1 last updated on 29/Jul/19 $$\phi\phi \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 130893 by EDWIN88 last updated on 30/Jan/21 $${Find}\:{a}\:{particular}\:{solution} \\ $$$${of}\:{the}\:{equation}\:{f}\:'\left({x}\right)\:=\:{f}\left({x}\right)\: \\ $$$${such}\:{that}\:{f}\left({x}\right)=\mathrm{2}\:{for}\:{x}=\mathrm{2}\: \\ $$ Answered by mr W last updated on 30/Jan/21 $${y}'={y}…
Question Number 65356 by aliesam last updated on 28/Jul/19 Commented by mathmax by abdo last updated on 29/Jul/19 $${let}\:{A}\left({x}\right)\:=\frac{\sqrt{{cos}^{\mathrm{4}} {x}−{cos}\left(\mathrm{2}{x}\right)}}{{ln}\left(\mathrm{1}+\mathrm{3}{x}\right)}\:\:\:\:{we}\:{have}\: \\ $$$${cos}^{\mathrm{4}} {x}\:−{cos}\left(\mathrm{2}{x}\right)\:=\left(\frac{\mathrm{1}+{cos}\left(\mathrm{2}{x}\right)}{\mathrm{2}}\right)^{\mathrm{2}} −{cos}\left(\mathrm{2}{x}\right) \\…
Question Number 65355 by mathmax by abdo last updated on 28/Jul/19 $${find}\:\int\:\:\:\frac{{dx}}{\:\sqrt{\left({x}+\mathrm{1}\right)\left({x}+\mathrm{2}\right)\left({x}+\mathrm{3}\right)}} \\ $$ Commented by Prithwish sen last updated on 29/Jul/19 $$\int\frac{\mathrm{dx}}{\:\sqrt{\left\{\left(\mathrm{x}+\mathrm{2}\right)^{\mathrm{2}} −\mathrm{1}\right\}\left(\mathrm{x}+\mathrm{2}\right)}}\:\:\:\mathrm{putting}\:\left(\mathrm{x}+\mathrm{2}\right)=\mathrm{a} \\…
Question Number 65354 by mathmax by abdo last updated on 28/Jul/19 $${find}\:\:\int\:\:\:\:\:\:\frac{{dx}}{\:\sqrt{{x}^{\mathrm{2}} +{x}−\mathrm{2}}} \\ $$$$ \\ $$ Commented by mathmax by abdo last updated on…