Category: Relation and Functions

Question Number 146546 by mathmax by abdo last updated on 13/Jul/21 $$\mathrm{find}{\int }_{\mid \mathrm{z}-1\mid =3}\frac{\cos \left(\pi \mathrm{z}\right)}{(\mathrm{z}-2)({\mathrm{z}}^2+4)}\mathrm{dz}$$ Answered by Olaf_Thorendsen last updated on 14/Jul/21 $${f}\left({z}\right)\:=\:\frac{\mathrm{cos}\left(\pi{z}\right)}{\left({z}−\mathrm{2}\right)\left({z}^{\mathrm{2}} +\mathrm{4}\right)}…

Question Number 146524 by mathmax by abdo last updated on 13/Jul/21 $$\mathrm{find}{\int }_0^{\mathrm{\infty }}\frac{\mathrm{xsinx}}{{({\mathrm{x}}^4+1)}^3}\mathrm{dx}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 80861 by jagoll last updated on 07/Feb/20 $$forx,y\in \mathbb{R}$$$$givenf\left(x\right)+f(2x+y)+5xy=$$$$f(3x-y)+x^2+1$$$$findf\left(10\right)$$ Commented by jagoll last updated on…

Question Number 146365 by mathmax by abdo last updated on 13/Jul/21 $$\mathrm{calculate}{\int }_0^{\mathrm{\infty }}\frac{\arctan \left({\mathrm{x}}^2\right)}{{\mathrm{x}}^2+4}\mathrm{dx}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 80814 by mathmax by abdo last updated on 06/Feb/20 $$findnatureoftheserie\sum _{n=1}^{\mathrm{\infty }}(1-cos\left(\frac{\pi }{n}\right))$$ Commented by mind is power last updated on 06/Feb/20…