Question Number 140687 by mnjuly1970 last updated on 11/May/21 $$\:\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\: \\ $$$$\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\:\: \\ $$ Commented by qaz last updated…
Question Number 75141 by chess1 last updated on 07/Dec/19 Commented by chess1 last updated on 08/Dec/19 $$\mathrm{solve}\:\mathrm{please} \\ $$ Commented by chess1 last updated on…
Question Number 9581 by dc630248@gmail.com last updated on 18/Dec/16 $$\int\mathrm{sin}^{\mathrm{4}} {x}.\mathrm{cos}^{\mathrm{4}} {xdx} \\ $$ Answered by mrW last updated on 18/Dec/16 $$\mathrm{sin}^{\mathrm{4}} {x}.\mathrm{cos}^{\mathrm{4}} {x}=\frac{\mathrm{1}}{\mathrm{16}}\left(\mathrm{2sinxcosx}\right)^{\mathrm{4}} =\frac{\mathrm{1}}{\mathrm{16}}\mathrm{sin}^{\mathrm{4}}…
Question Number 140645 by mnjuly1970 last updated on 10/May/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 75102 by Rio Michael last updated on 07/Dec/19 $$\mathrm{show}\:\mathrm{by}\:\mathrm{integration}\:\mathrm{that}\:\mathrm{the}\:\mathrm{centroid} \\ $$$$\mathrm{of}\:\mathrm{a}\:\mathrm{semi}−\mathrm{circular}\:\mathrm{lamina}\:\mathrm{of}\:\mathrm{radius}\:{a}\: \\ $$$$\mathrm{from}\:\mathrm{the}\:\mathrm{centre}\:\mathrm{is}\:\:\:\frac{\mathrm{4}{a}}{\mathrm{3}\pi}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 140639 by Mathspace last updated on 10/May/21 $${let}\:{U}_{{n}} =\int_{\mathrm{0}} ^{\infty} \:\frac{{x}^{{n}} {logx}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$$$\left.\mathrm{1}\right)\:{explicite}\:{U}_{{n}} \\ $$$$\left.\mathrm{2}\right)\:{fond}\:{nature}\:{of}\:\Sigma\:{U}_{{n}} \\ $$$$\left({n}\:{integr}\:{natural}\right) \\ $$ Answered…
Question Number 75098 by Rio Michael last updated on 07/Dec/19 $$\mathrm{the}\:\mathrm{function}\:\mathrm{f}\:\mathrm{is}\:\mathrm{defined}\:\mathrm{by}\:{f}\left({x}\right)\:=\:\frac{\mathrm{2}}{{x}^{\mathrm{2}} −\mathrm{1}} \\ $$$$\left.{a}\right)\:\mathrm{Express}\:\mathrm{f}\:\mathrm{into}\:\mathrm{partial}\:\mathrm{fraction} \\ $$$$\mathrm{b}.\mathrm{show}\:\mathrm{that}\:\int_{\mathrm{3}} ^{\mathrm{5}} {f}\left({x}\right)\:{dx}\:=\:{ln}\left(\frac{\mathrm{4}}{\mathrm{3}}\right) \\ $$ Answered by peter frank last…
Question Number 140635 by Mathspace last updated on 10/May/21 $${find}\:\:\int_{−\infty} ^{+\infty} \:\frac{{sin}\left(\mathrm{2}{cosx}\right)}{\left({x}^{\mathrm{2}} \:−{x}+\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$ Answered by mathmax by abdo last updated on 12/May/21…
Question Number 140634 by Mathspace last updated on 10/May/21 $${find}\:\int_{−\infty} ^{+\infty} \:\frac{{cos}\left(\mathrm{2}{sinx}\right)}{\left({x}^{\mathrm{2}} −{x}+\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 75093 by Rio Michael last updated on 07/Dec/19 $$\int{cos}^{\mathrm{3}} {xsin}^{\mathrm{3}} {xdx} \\ $$ Commented by mathmax by abdo last updated on 07/Dec/19 $${I}\:=\int\:{cos}^{\mathrm{3}}…