Question Number 175674 by infinityaction last updated on 05/Sep/22 Answered by mr W last updated on 05/Sep/22 $$−\frac{{b}}{\mathrm{2}{a}}=\mathrm{2}\:\Rightarrow{b}=−\mathrm{4}{a} \\ $$$${f}\left(\mathrm{2}\right)=\mathrm{4}{a}+\mathrm{2}{b}+{c}={c}−\mathrm{4}{a} \\ $$$${f}\left(\mathrm{1}\right)={a}+{b}+{c}={c}−\mathrm{3}{a}={f}\left(\mathrm{3}\right) \\ $$$${f}\left({f}\left(\mathrm{1}\right)\right)={f}\left({f}\left(\mathrm{2}\right)\right) \\…
Question Number 44468 by maxmathsup by imad last updated on 29/Sep/18 $${let}\:{u}_{{n}} =\:\sum_{{k}=\mathrm{1}} ^{{n}} \:\:\frac{{e}^{−{k}} }{\:\sqrt{{k}}} \\ $$$${find}\:{a}\:{equivalent}\:{of}\:{u}_{{n}} \:{when}\:{n}\rightarrow+\infty\:. \\ $$ Terms of Service Privacy…
Question Number 175516 by alcohol last updated on 01/Sep/22 Answered by mathocean1 last updated on 01/Sep/22 $$\mathrm{2}/\mathrm{100}\:\:? \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 44369 by Necxx last updated on 27/Sep/18 $${The}\:{domain}\:{of}\: \\ $$$${f}\left({x}\right)=\sqrt{{cos}\left({sinx}\right)}\:+\left(\mathrm{1}−{x}\overset{−\mathrm{1}} {\right)}+\:\mathrm{sin}^{−\mathrm{1}} \frac{{x}^{\mathrm{2}} +\mathrm{1}}{\mathrm{2}{x}} \\ $$$${is}………=. \\ $$ Commented by Necxx last updated on…
Question Number 44351 by Necxx last updated on 27/Sep/18 $${If}\:{is}\:{an}\:{even}\:{function}\:{defined}\:{on} \\ $$$${the}\:{interval}\:\left(−\mathrm{5},\mathrm{5}\right)\:{then}\:{a}\:{value} \\ $$$${of}\:{x}\:{satisfying}\:{the}\:{equation} \\ $$$${f}\left({x}\right)={f}\left(\frac{{x}+\mathrm{1}}{{x}+\mathrm{2}}\right)\:{is} \\ $$$$\left.{a}\left.\right)\left.\frac{−\mathrm{1}+\sqrt{\mathrm{5}}}{\mathrm{2}}\:{b}\right)\frac{−\mathrm{3}+\sqrt{\mathrm{5}}}{\mathrm{2}}\:{c}\right)\frac{−\mathrm{1}−\sqrt{\mathrm{5}}}{\mathrm{2}}\: \\ $$$$\left.{d}\right)\frac{−\mathrm{3}−\sqrt{\mathrm{5}}}{\mathrm{2}_{} } \\ $$ Commented by…
Question Number 174981 by oustmuchiya@gmail.com last updated on 15/Aug/22 Commented by Rasheed.Sindhi last updated on 15/Aug/22 $${pl}\:\:\boldsymbol{{type}}\:{your}\:{question}\:{or}\:{upload} \\ $$$${better}\:{image}! \\ $$ Terms of Service Privacy…
Question Number 174960 by alcohol last updated on 14/Aug/22 $${solve}\:{for}\:{all}\:{x}\: \\ $$$$\lfloor{x}^{\mathrm{2}} \rfloor\:−\:\lfloor{x}\rfloor^{\mathrm{2}} \:=\:\mathrm{100} \\ $$ Answered by mr W last updated on 15/Aug/22 $${say}\:{x}={n}+{f}\:{with}\:\mathrm{0}\leqslant{f}<\mathrm{1}…
Question Number 174938 by Mathspace last updated on 14/Aug/22 $${let}\:{u}_{{n}} =\:\int_{\mathrm{0}} ^{\mathrm{1}} {x}^{{n}} {artan}\left({nx}\right){dx} \\ $$$$\left.\mathrm{1}\right){lim}\:{u}_{{n}} ? \\ $$$$\left.\mathrm{2}\right){nature}\:{of}\:\Sigma\:{u}_{{n}} \\ $$$$\left.\mathrm{3}\right)\:{calculate}\:{u}_{{n}} \\ $$$$\left.\mathrm{4}\right){equivalent}\:{of}\:{u}_{{n}} ? \\…
Question Number 109262 by bemath last updated on 22/Aug/20 $${f}\left({x}\right)+{f}\left(\mathrm{2}{x}+{y}\right)+\mathrm{5}{xy}\:=\:{f}\left(\mathrm{3}{x}−{y}\right)+{x}^{\mathrm{2}} +\mathrm{1} \\ $$$${for}\:{every}\:{x},{y}\in\mathbb{R}\:.\:{find}\:{f}\left(\mathrm{10}\right) \\ $$ Answered by mr W last updated on 22/Aug/20 $${y}=\mathrm{0}: \\…
Question Number 109217 by mathmax by abdo last updated on 22/Aug/20 $$\mathrm{find}\:\mathrm{U}_{\mathrm{n}} =\int_{\mathrm{0}} ^{\mathrm{1}} \:\mathrm{sin}\left(\mathrm{narctanx}\right)\mathrm{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com