Question Number 127421 by Study last updated on 29/Dec/20 $${li}\underset{{x}\rightarrow−\infty} {{m}}\frac{\sqrt{{x}^{\mathrm{2}} +\mathrm{5}{x}−\mathrm{3}}}{\mathrm{10}{x}−\mathrm{3}}=??? \\ $$ Answered by ebi last updated on 29/Dec/20 $$\underset{{x}\rightarrow−\infty} {{lim}}\frac{\sqrt{{x}^{\mathrm{2}} +\mathrm{5}{x}−\mathrm{3}}}{\mathrm{10}{x}−\mathrm{3}} \\…
Question Number 61884 by maxmathsup by imad last updated on 10/Jun/19 $${let}\:{f}_{{n}} \left({a}\right)\:=\int_{−\infty} ^{+\infty} \:\:\:\frac{{cos}\left({nx}\right)}{\left({x}^{\mathrm{2}} +{x}\:\:+{a}\right)^{\mathrm{2}} }{dx}\:\:\:\:{with}\:\:\:{a}\geqslant\mathrm{1} \\ $$$$\left.\mathrm{1}\right)\:{find}\:{a}\:{explicit}\:{form}\:{of}\:{f}_{{n}} \left({a}\right) \\ $$$$\left.\mathrm{2}\right){study}\:{the}\:{convervenge}\:{of}\:\Sigma\:{f}_{{n}} \left({a}\right) \\ $$$$\left.\mathrm{3}\right)\:{determine}\:{also}\:{g}_{{n}}…
Question Number 127414 by MathSh last updated on 29/Dec/20 $${From}\:\mathrm{1}\:{to}\:\mathrm{50}\:\left(\mathrm{1}\:{and}\:\mathrm{50}\:{includes}\right) \\ $$$${fev}\:{n}\:{for}\:\frac{\left({n}^{\mathrm{2}} −\mathrm{1}\right)!}{\left({n}!\right)^{{n}} }\:{full}\:{number} \\ $$ Commented by talminator2856791 last updated on 29/Dec/20 $$\:\mathrm{what}\:\mathrm{is}\:\mathrm{fev}? \\…
Question Number 61874 by aliesam last updated on 10/Jun/19 $$\int\frac{{xln}\left({x}\right)−{x}}{{ln}^{\mathrm{3}} \left({x}\right)}\:{dx} \\ $$ Commented by Prithwish sen last updated on 10/Jun/19 $$\int\left[\frac{\mathrm{x}}{\left[\mathrm{ln}\left(\mathrm{x}\right)\right]^{\mathrm{2}} }\:−\frac{\mathrm{x}}{\left[\mathrm{ln}\left(\mathrm{x}\right)\right]^{\mathrm{3}} }\:\right]\mathrm{dx} \\…
Question Number 61873 by lalitchand last updated on 10/Jun/19 $$\sqrt[{\mathrm{3}}]{\mathrm{30x}^{\mathrm{8}} \mathrm{y}^{\mathrm{12}} }/^{\mathrm{4}} \sqrt{\mathrm{6x}^{\mathrm{2}} \mathrm{y}^{\mathrm{9}} \mathrm{z}}\:\:\:\:\mathrm{simplifh}\:\mathrm{this}\:\mathrm{question} \\ $$ Commented by MJS last updated on 10/Jun/19 $$\mathrm{please}\:\mathrm{make}\:\mathrm{clear}\:\mathrm{if}\:\mathrm{it}'\mathrm{s}\:\mathrm{really}\:{y}\mathrm{12}…
Question Number 192942 by depressiveshrek last updated on 31/May/23 Commented by depressiveshrek last updated on 31/May/23 $${A}\:{survey}\:{was}\:{conducted}\:{on}\:{a}\:{number}\:{of}\:{familes} \\ $$$${about}\:{the}\:{number}\:{of}\:{children}\:{they}\:{have}. \\ $$$${The}\:{families}\:{had}\:\mathrm{1},\:\mathrm{2},\:\mathrm{3},\:\mathrm{4}\:{or}\:\mathrm{5}\:{children}. \\ $$$${If}\:{the}\:{y}−{axis}\:{represents}\:{the}\:{number}\:{of}\:{families}, \\ $$$${and}\:{the}\:{x}−{axis}\:{represents}\:{the}\:{number}\:{of}\:{children},…
Question Number 127405 by john_santu last updated on 29/Dec/20 $$\:\mu\:=\:\int\:\frac{{x}^{\mathrm{7}} }{{x}^{\mathrm{10}} +\mathrm{169}}\:{dx}\: \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 192937 by Sindy last updated on 31/May/23 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 127402 by bemath last updated on 29/Dec/20 $$\:{Compute}\:{x}\:{if}\:\mathrm{arctan}\:{x}+\mathrm{arctan}\:\mathrm{1}\:=\:\mathrm{2}\left(\mathrm{arctan}\:{x}−\mathrm{arctan}\:\frac{\mathrm{1}}{\mathrm{3}}\right)\: \\ $$ Answered by liberty last updated on 29/Dec/20 $$\Leftrightarrow\:\mathrm{arctan}\:{x}+\mathrm{arctan}\:\mathrm{1}=\mathrm{2arctan}\:{x}−\mathrm{2arctan}\:\frac{\mathrm{1}}{\mathrm{3}} \\ $$$$\Leftrightarrow\mathrm{arctan}\:{x}\:=\:\mathrm{arctan}\:\mathrm{1}+\mathrm{2arctan}\:\frac{\mathrm{1}}{\mathrm{3}} \\ $$$$\:\:\:\:\:\mathrm{tan}\:\left(\mathrm{arctan}\:{x}\right)\:=\:\mathrm{tan}\:\left(\frac{\pi}{\mathrm{4}}+\mathrm{2arctan}\:\frac{\mathrm{1}}{\mathrm{3}}\right) \\…
Question Number 61867 by readone97 last updated on 10/Jun/19 $$\:{a}\:{player}\:{kicked}\:{a}\:{football}\:{at}\:{angel}\:\mathrm{30}\:{with}\:{the}\:{ground}\:{towards}\:{an}\:{empty}\:{goal}\:{post}\:{of}\:{hegith}\:\mathrm{3}.\mathrm{4}{m}\:{the}\:{ball}\:{hits}\:{the}\:{crossbar}\:{of}\:{the}\:{goal}\:{post}\:\mathrm{30}{m}\:{away}\:{from}\:{where}\:{the}\:{ball}\:{was}\:{kicked}.\:{Take}\:{g}=\mathrm{9}.\mathrm{8}{m}/{s}.\:{Find}\:{the}\:{intial}\:{velocity}\:{u}\:{of}\:{the}\:{ball}?.{What}\:{is}\:{time}\:{taken}\:{for}\:{the}\:{ball}\:{to}\:{hit}\:{the}\:{crossbar}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com