Question Number 38518 by math khazana by abdo last updated on 26/Jun/18 $${calculate}\:\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\:\frac{\mathrm{1}}{{n}^{\mathrm{2}} \left(\mathrm{2}{n}−\mathrm{1}\right)^{\mathrm{2}} } \\ $$ Commented by prof Abdo imad last…
Question Number 38520 by math khazana by abdo last updated on 26/Jun/18 $${find}\:{the}\:{value}\:{of}\:\sum_{{n}=\mathrm{2}} ^{\infty} \:\:\frac{\mathrm{3}{n}^{\mathrm{2}} \:+\mathrm{1}}{\left({n}−\mathrm{1}\right)^{\mathrm{3}} \left({n}+\mathrm{1}\right)^{\mathrm{3}} } \\ $$ Commented by abdo mathsup 649…
Question Number 103995 by mathmax by abdo last updated on 18/Jul/20 $$\mathrm{solve}\:\mathrm{y}^{''} +\mathrm{2y}^{'} −\mathrm{y}\:=\frac{\mathrm{e}^{−\mathrm{x}} }{\mathrm{x}} \\ $$ Answered by mathmax by abdo last updated on…
Question Number 38456 by maxmathsup by imad last updated on 25/Jun/18 $${calculate}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\left(−\mathrm{1}\right)^{{n}} \frac{{cos}\left({nx}\right)}{{n}^{\mathrm{2}} }\:\:{and}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\left(−\mathrm{1}\right)^{{n}} \:\frac{{sin}\left({nx}\right)}{{n}^{\mathrm{2}} } \\ $$ Terms of Service…
Question Number 38367 by Zuarkton last updated on 24/Jun/18 $${If}\:{f}\left({x}\right)={x}^{\mathrm{3}} +\mathrm{1}\:{then}\:{f}^{−\mathrm{1}} \left({x}\right)=? \\ $$ Commented by rahul 19 last updated on 24/Jun/18 $$\left({x}−\mathrm{1}\right)^{\frac{\mathrm{1}}{\mathrm{3}}} \\ $$…
Question Number 38323 by math khazana by abdo last updated on 24/Jun/18 $${find}\:\sum_{{n}=\mathrm{1}} ^{+\infty} \:\:\:\frac{\mathrm{4}{n}}{\left(\mathrm{2}{n}−\mathrm{1}\right)^{\mathrm{2}} \left(\mathrm{2}{n}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$ Commented by math khazana by abdo…
Question Number 103763 by mathmax by abdo last updated on 17/Jul/20 $$\mathrm{calculate}\left\{\:\sum_{\mathrm{n}=\mathrm{0}} ^{\infty} \left(−\mathrm{1}\right)^{\mathrm{n}} \mathrm{x}^{\mathrm{n}} \right\}×\left\{\sum_{\mathrm{n}=\mathrm{o}} ^{\infty} \:\frac{\mathrm{x}^{\mathrm{2n}} }{\mathrm{n}+\mathrm{1}}\right\} \\ $$ Answered by mathmax by…
Question Number 103753 by bobhans last updated on 17/Jul/20 $$\rightarrow\begin{cases}{{g}\left({x}\right)=\frac{\mathrm{6}}{{x}−\mathrm{2}}}\\{\left({goh}\right)\left(\mathrm{3}\right)\:=\:\mathrm{17}}\\{{h}\left({x}\right)=\:{ax}^{\mathrm{2}} −\mathrm{1}}\end{cases} \\ $$$${find}\:{the}\:{value}\:{of}\:{a}\: \\ $$ Answered by bemath last updated on 17/Jul/20 Terms of Service…
Question Number 38195 by maxmathsup by imad last updated on 22/Jun/18 $${let}\:{x}\geqslant\mathrm{1}\:{and}\:\delta\left({x}\right)=\sum_{{n}=\mathrm{1}} ^{\infty} \:\:\frac{\left(−\mathrm{1}\right)^{{n}} }{{n}^{{x}} } \\ $$$$\left.\mathrm{1}\right)\:{calculate}\:\delta\left({x}\right)\:{interms}\:{of}\:\xi\left({x}\right)\:{if}\:{x}>\mathrm{1} \\ $$$$\left.\mathrm{2}\right){find}\:\:\delta\left(\mathrm{1}\right) \\ $$$$\left.\mathrm{3}\right)\:{find}\:{the}\:{value}\:{of}\:\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\frac{\mathrm{1}}{\left(\mathrm{2}{n}+\mathrm{1}\right)^{\mathrm{2}} }…
Question Number 38177 by Tinkutara last updated on 22/Jun/18 Terms of Service Privacy Policy Contact: info@tinkutara.com