Category: Relation and Functions

Question Number 32723 by caravan msup abdo. last updated on 31/Mar/18 $$find{lim}_{n\to +\mathrm{\infty }}{\int }_0^{\mathrm{\infty }}{e}^{-t}{sin}^{n}tdt.$$ Terms of Service Privacy Policy Contact:…

Question Number 98189 by abdomathmax last updated on 12/Jun/20 $$\mathrm{let}\xi \left(\mathrm{x}\right)=\sum _{\mathrm{n}=1}^{\mathrm{\infty }}\frac{1}{{\mathrm{n}}^{\mathrm{x}}}$$$$\mathrm{calculate}{\lim }_{\mathrm{x}\to 1^{+}}(\mathrm{x}-1)\xi \left(\mathrm{x}\right)$$ Answered by mathmax by abdo last…

Question Number 163720 by alcohol last updated on 09/Jan/22 $${\int }_2^4\frac{\sqrt{ln(9-x)}}{\sqrt{ln(9-x)}+\sqrt{ln(3+x)}}dx$$$$$$ Answered by Mathspace last updated on 09/Jan/22 $${x}=\mathrm{6}−{t}\:\Rightarrow{t}=\mathrm{6}−{x}\:\Rightarrow \…

Question Number 98187 by abdomathmax last updated on 12/Jun/20 $$\mathrm{find}\arctan \left(\mathrm{x}\right)+\mathrm{arctany}\mathrm{at}\mathrm{form}\mathrm{of}\arctan$$ Answered by Rio Michael last updated on 12/Jun/20 $$\mathrm{let}\arctan x=u\Rightarrow x=\tan u$$$$\mathrm{and}\mathrm{let}\tan y=v\Rightarrow y=\tan v$$$$\mathrm{suppose}\:\mathrm{arctan}\:{x}\:+\:\mathrm{arctan}\:{y}\:=\:\theta…

Question Number 98183 by abdomathmax last updated on 12/Jun/20 $$\mathrm{solve}{\mathrm{xy}}^{{}^{″}}-\frac{3}{\mathrm{x}+1}{\mathrm{y}}^{{}^{\prime }}=\mathrm{xsin}\left(\mathrm{x}\right)$$ Terms of Service Privacy Policy Contact: info@tinkutara.com