Category: Relation and Functions

Question Number 173132 by alcohol last updated on 07/Jul/22 $$U_n=\left(\frac{{(-4)}^{n+1}-1}{1-{(-4)}^n}\right)U_{n-1}with{U}_0=1$$$$find{U}_{n}intermsofn$$ Commented by kaivan.ahmadi last updated…

Question Number 42020 by math khazana by abdo last updated on 16/Aug/18 $$let{S}_n\left(x\right)=\sum _{k=1}^n\frac{x^k}{\sqrt{k}}$$$$findaequivalentof{S}_n\left(x\right)whenn\to +\mathrm{\infty }$$ Terms of Service…

Question Number 107401 by mathmax by abdo last updated on 10/Aug/20 $$\mathrm{sove}{\mathrm{y}}^{{}^{″}}={\mathrm{y}}^2$$ Answered by mr W last updated on 10/Aug/20 $${y}''={y}'\frac{{d}\left({y}'\right)}{{dy}}={u}\frac{{du}}{{dy}} \…

Question Number 107290 by mathmax by abdo last updated on 09/Aug/20 $$\mathrm{find}{\lim }_{\mathrm{n}\to +\mathrm{\infty }}\frac{1}{\mathrm{n}}\sum _{\mathrm{k}=0}^{\mathrm{n}-1}\frac{\mathrm{k}}{\sqrt{{4\mathrm{n}}^2-{\mathrm{k}}^2}}$$ Terms of Service Privacy Policy Contact:…

Question Number 107289 by mathmax by abdo last updated on 09/Aug/20 $$\mathrm{fnd}{\lim }_{\mathrm{n}\to +\mathrm{\infty }}{\left(\frac{\left(2\mathrm{n}\right)!}{{\mathrm{n}}^{\mathrm{n}}\mathrm{n}!}\right)}^{\frac{1}{\mathrm{n}}}$$ Answered by Ar Brandon last updated on 13/Aug/20 $$\mathrm{A}_{\mathrm{n}}…