Question Number 148289 by saly last updated on 26/Jul/21 Commented by saly last updated on 26/Jul/21 $$\:{hepl}\:{me} \\ $$ Answered by mr W last updated…
Question Number 17219 by Arnab Maiti last updated on 02/Jul/17 $$\int_{\mathrm{0}} ^{\:\mathrm{2a}} \mathrm{xy}\:\mathrm{dx}=?\:\:\mathrm{where}\:\mathrm{x}^{\mathrm{2}} −\mathrm{y}^{\mathrm{2}} =\mathrm{a}^{\mathrm{2}} \:\mathrm{and}\:\mathrm{y}\geqslant\mathrm{0} \\ $$ Commented by Arnab Maiti last updated on…
Question Number 82755 by mathmax by abdo last updated on 23/Feb/20 $${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{lnx}}{\left(\mathrm{1}+{x}^{\mathrm{2}} \right)^{\mathrm{2}} }{dx} \\ $$ Commented by Ajao yinka last updated on…
Question Number 82753 by ajfour last updated on 23/Feb/20 Commented by ajfour last updated on 24/Feb/20 $$\mathrm{Understood}\:\mathrm{Sir},\:\mathrm{good}\:\mathrm{reasoning}, \\ $$$$\mathrm{undeniable},\:\mathrm{thanks}. \\ $$ Commented by ajfour last…
Question Number 148285 by Khalmohmmad last updated on 26/Jul/21 $$\int_{\mathrm{1}} ^{\infty} \frac{\mathrm{1}}{{x}^{\mathrm{2}} \mathrm{ln}{x}}{dx}=? \\ $$ Commented by ahmedNasser last updated on 26/Jul/21 $${let}\:{u}\:=\:{lnx}\:\:\:\:\therefore\:{du}\:=\:\frac{\mathrm{1}}{{x}}\:{dx}\:\:\:\:{x}\:=\:{e}^{{u}} \\ $$$$\int_{\mathrm{0}}…
Question Number 148284 by 0731619 last updated on 26/Jul/21 Answered by Olaf_Thorendsen last updated on 26/Jul/21 $$\mathrm{6}!!\:=\:\mathrm{6}×\mathrm{4}×\mathrm{2}\:=\:\mathrm{48} \\ $$$$\mathrm{8}!!!!!\:=\:\mathrm{8}×\mathrm{3}\:=\:\mathrm{24} \\ $$$$\mathrm{9}!!!!\:=\:\mathrm{9}×\mathrm{5}×\mathrm{1}\:=\:\mathrm{45} \\ $$$$!\mathrm{4}\:=\:\mathrm{4}!\left(\frac{\mathrm{1}}{\mathrm{0}!}−\frac{\mathrm{1}}{\mathrm{1}!}+\frac{\mathrm{1}}{\mathrm{2}!}−\frac{\mathrm{1}}{\mathrm{3}!}+\frac{\mathrm{1}}{\mathrm{4}!}\right)\:=\:\mathrm{9} \\ $$$$!\mathrm{5}\:=\:\mathrm{5}!\left(\frac{\mathrm{1}}{\mathrm{0}!}−\frac{\mathrm{1}}{\mathrm{1}!}+\frac{\mathrm{1}}{\mathrm{2}!}−\frac{\mathrm{1}}{\mathrm{3}!}−+\frac{\mathrm{1}}{\mathrm{4}!}−\frac{\mathrm{1}}{\mathrm{5}!}\right)\:=\:\mathrm{44}…
Question Number 148280 by Jonathanwaweh last updated on 26/Jul/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 17210 by Arnab Maiti last updated on 02/Jul/17 $$\mathrm{prove}\:\mathrm{that}\:\int_{\mathrm{0}} ^{\:\Pi} {f}\left(\mathrm{sin}\:\mathrm{x}\right)\mathrm{dx}=\mathrm{2}×\int_{\mathrm{0}} ^{\:\frac{\Pi}{\mathrm{2}}} {f}\left(\mathrm{sin}\:\mathrm{x}\right)\mathrm{dx} \\ $$ Answered by mrW1 last updated on 02/Jul/17 $$\mathrm{let}\:\mathrm{I}=\int_{\frac{\pi}{\mathrm{2}}}…
Question Number 17209 by sushmitak last updated on 02/Jul/17 $$\mathrm{Spin}\:\mathrm{only}\:\mathrm{magnetic}\:\mathrm{moment} \\ $$$$\mathrm{of}\:_{\mathrm{25}} \mathrm{Mn}^{\mathrm{x}+} \:\mathrm{is}\:\sqrt{\mathrm{15}}\mathrm{B}.\mathrm{M}.\:\mathrm{Then} \\ $$$$\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x}\:\mathrm{is}? \\ $$$$\mathrm{i}\:\mathrm{did}\:\mathrm{following} \\ $$$$\mathrm{1s}^{\mathrm{2}} \mathrm{2s}^{\mathrm{2}} \mathrm{2p}^{\mathrm{6}} \mathrm{3s}^{\mathrm{2}} \mathrm{3p}^{\mathrm{6}} \mathrm{4s}^{\mathrm{2}}…
Question Number 148276 by 0731619 last updated on 26/Jul/21 Answered by mathmax by abdo last updated on 26/Jul/21 $$\mathrm{y}\left(\mathrm{n}\right)=\mathrm{e}^{\frac{\mathrm{n}^{\mathrm{2}} +\mathrm{n}}{\mathrm{n}^{\mathrm{3}} −\mathrm{4n}^{\mathrm{2}} }\mathrm{log2}} \:\Rightarrow\frac{\mathrm{dy}}{\mathrm{dn}}=\frac{\mathrm{d}}{\mathrm{dn}}\left(\mathrm{log2}×\frac{\mathrm{n}^{\mathrm{2}} \:+\mathrm{n}}{\mathrm{n}^{\mathrm{3}} −\mathrm{4n}^{\mathrm{2}}…