Category: Relation and Functions

Question Number 45598 by maxmathsup by imad last updated on 14/Oct/18 $$calculate\sum _{n=1}^{\mathrm{\infty }}\frac{2n+1}{n^2(4n^2-1)}$$ Commented by maxmathsup by imad last updated…

Question Number 45517 by maxmathsup by imad last updated on 13/Oct/18 $$findS\left(x\right)=\sum _{n=1}^{\mathrm{\infty }}\frac{x^n}{n^2}with\mid x\mid <1.$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 176501 by infinityaction last updated on 20/Sep/22 $$\mathrm{find}\mathrm{the}\mathrm{range}\mathrm{of}\mathrm{x}+\mathrm{y}\mathrm{such}\mathrm{that}$$$${(x-2)}^2+{(y-4)}^2=49$$ Commented by cortano1 last updated on 20/Sep/22 $$\:\mathrm{let}\:\mathrm{x}+\mathrm{y}=\mathrm{k}\:\Rightarrow\mathrm{x}+\mathrm{y}−\mathrm{k}=\mathrm{0} \…

Question Number 110948 by bemath last updated on 01/Sep/20 $$\sqrt{\mathrm{bemath}}$$$$\mathrm{If}\mathrm{each}\mathrm{point}\mathrm{on}\mathrm{the}\mathrm{line}3\mathrm{x}+4\mathrm{y}=2$$$$\mathrm{is}\mathrm{transformed}\mathrm{by}\mathrm{matrix}\mathrm{M}=\left(\begin{array}{c}20\\ 01\end{array}\right),\mathrm{the}$$$$\mathrm{image}\mathrm{is}\mathrm{a}\mathrm{line}\mathrm{\_}\mathrm{\_}\mathrm{\_}$$ Commented by bemath last updated on 01/Sep/20…

Question Number 45240 by maxmathsup by imad last updated on 10/Oct/18 $$calculate\sum _{n=2}^{\mathrm{\infty }}\frac{2n+1}{n^4-n^2}$$ Commented by maxmathsup by imad last updated…