Category: Relation and Functions

Question Number 34676 by math khazana by abdo last updated on 09/May/18 $$provethat\sum _{k=0}^{2n-1}\frac{{(-1)}^k}{k+1}=\sum _{k=n+1}^{2n}\frac{1}{k}$$ Terms of Service Privacy Policy…

Question Number 34672 by math khazana by abdo last updated on 09/May/18 $$provethat\mathrm{\forall }n\in N\mid sin\left(nx\right)\mid ⩽n\mid sinx\mid .$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 34664 by math khazana by abdo last updated on 09/May/18 $$simplify$$$$g\left(x\right)=arctan\left(\frac{1}{2x^2}\right)-arctan\left(\frac{x}{x+1}\right)+arctan\left(\frac{x-1}{x}\right)$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 34663 by math khazana by abdo last updated on 09/May/18 $$simplify$$$$f\left(x\right)=arcsin(\sqrt{1-x^2)}-arctan\left(\sqrt{\frac{1-x}{1+x}}\right)$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 34632 by math khazana by abdo last updated on 09/May/18 $$letz\in Cdeveloppatintegrserie$$$$f\left(z\right)=ln(1+z)with\mid z\mid <1.$$$$2)giveln(2+i)atformofserie.$$ Terms of Service Privacy Policy Contact:…