Question Number 148441 by qaz last updated on 28/Jul/21 $$\underset{\mathrm{k}=\mathrm{1}} {\overset{\infty} {\sum}}\underset{\mathrm{m}=\mathrm{1}} {\overset{\mathrm{n}} {\sum}}\frac{\mathrm{n}\left(\mathrm{m}−\mathrm{1}\right)}{\left(\mathrm{nk}+\mathrm{m}−\mathrm{1}\right)\left(\mathrm{nk}+\mathrm{m}\right)}=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 82891 by jagoll last updated on 25/Feb/20 $$\int\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{1}−\mathrm{x}^{\mathrm{4}} }}\:\mathrm{dx}\:=\:? \\ $$ Answered by mind is power last updated on 25/Feb/20 $$\frac{\mathrm{1}}{.\sqrt{\mathrm{1}−{t}^{\mathrm{2}} }}=\underset{{n}\geqslant\:\mathrm{0}} {\sum}\frac{\left(\mathrm{2}{n}\right)!{t}^{\mathrm{2}{n}}…
Question Number 82872 by abdomathmax last updated on 25/Feb/20 $$\left.\mathrm{1}\right){find}\:\int\int_{{W}} \:\frac{{xdx}}{{a}^{\mathrm{2}} \:+{x}^{\mathrm{2}} \:+{y}^{\mathrm{2}} }\:{with} \\ $$$${W}_{{a}} \rightarrow{x}^{\mathrm{2}} \:+{y}^{\mathrm{2}} \:\leqslant{a}^{\mathrm{2}} \:{and}\:{x}>\mathrm{0}\:\:\:\:\:\left({a}>\mathrm{0}\right) \\ $$$$\left.\mathrm{2}\right){calculate}\:\int\int_{{W}_{\mathrm{1}} } \:\:\:\frac{{xdx}}{{x}^{\mathrm{2}} +{y}^{\mathrm{2}}…
Question Number 148408 by cesarL last updated on 27/Jul/21 $$\int{x}^{\mathrm{5}} {e}^{{x}^{\mathrm{2}} } {dx} \\ $$$${Help}\:{please}! \\ $$ Answered by Olaf_Thorendsen last updated on 27/Jul/21 $$\mathrm{F}\left({x}\right)\:=\:\int{x}^{\mathrm{5}}…
Question Number 82871 by abdomathmax last updated on 25/Feb/20 $${find}\:\int\int_{\left[\mathrm{0},\mathrm{1}\right]^{\mathrm{2}} } \:\:\:\mid{x}^{\mathrm{2}} −{y}^{\mathrm{2}} \mid{dxdy} \\ $$ Commented by mathmax by abdo last updated on 25/Feb/20…
Question Number 17317 by palash Jana last updated on 04/Jul/17 $$\int\mathrm{1}/\sqrt{\mathrm{sin}\:\mathrm{3}{x}\mathrm{sin}\:\left({x}−\alpha\right)} \\ $$ Commented by Arnab Maiti last updated on 04/Jul/17 $$\mathrm{I}\:\mathrm{think}\:\mathrm{it}\:\mathrm{is}\int\frac{\mathrm{dx}}{\:\sqrt{\mathrm{sin}^{\mathrm{3}} \mathrm{x}\:\mathrm{sin}\left(\mathrm{x}−\alpha\right)}} \\ $$…
Question Number 148376 by ArielVyny last updated on 27/Jul/21 $$\int_{\mathrm{1}} ^{\infty} {x}^{{i}} {lnxdx}\:\:\:\:\:\:{i}^{\mathrm{2}} =−\mathrm{1} \\ $$ Answered by mathmax by abdo last updated on 27/Jul/21…
Question Number 148375 by ArielVyny last updated on 27/Jul/21 $$\int_{\mathrm{1}} ^{\infty} {sin}\left({x}+{lnx}\right){dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 82816 by M±th+et£s last updated on 24/Feb/20 $${calculate}\:{the}\:{exact}\:{value}\: \\ $$$$\int_{\mathrm{0}} ^{\infty} \frac{{cos}\left({x}\right)}{{x}^{\mathrm{2}} +\mathrm{1}}\:{dx} \\ $$ Commented by msup trace by abdo last updated…
Question Number 17255 by Arnab Maiti last updated on 02/Jul/17 $$\int_{\mathrm{0}} ^{\:\frac{\Pi}{\mathrm{2}}} \:\frac{\mathrm{d}\left(\mathrm{sinx}+\mathrm{cosx}\right)}{\mathrm{sinx}+\mathrm{cosx}} \\ $$ Answered by prakash jain last updated on 02/Jul/17 $$\mathrm{ln}\:\left(\mathrm{sin}\:{x}+\mathrm{cos}\:{x}\right)\mid_{\mathrm{0}} ^{\pi/\mathrm{2}}…