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Category: Integration

b-ax-1-sin-x-dx-

Question Number 214568 by Ikbal last updated on 12/Dec/24 $$\int\frac{{b}+{ax}}{\mathrm{1}+\mathrm{sin}\:{x}}\:{dx} \\ $$ Answered by MathematicalUser2357 last updated on 18/Dec/24 $$\int\frac{{ax}+{b}}{\mathrm{sin}\:{x}+\mathrm{1}}{dx} \\ $$$$=\int\frac{\left({ax}+{b}\right)\mathrm{sec}\:{x}}{\mathrm{tan}\:{x}+\mathrm{sec}\:{x}}{dx} \\ $$$$=−\frac{{ax}+{b}}{\mathrm{tan}\:{x}+\mathrm{sec}\:{x}}+\int\frac{{a}}{\mathrm{tan}\:{x}+\mathrm{sec}\:{x}}{dx} \\…

Find-the-volume-of-the-solid-of-revolution-generated-by-rotating-the-area-bounded-by-y-x-2-x-and-y-x-about-the-y-axis-

Question Number 214509 by depressiveshrek last updated on 10/Dec/24 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{the}\:\mathrm{solid}\:\mathrm{of}\:\mathrm{revolution} \\ $$$$\mathrm{generated}\:\mathrm{by}\:\mathrm{rotating}\:\mathrm{the}\:\mathrm{area}\:\mathrm{bounded} \\ $$$$\mathrm{by}\:{y}={x}\left(\mathrm{2}−{x}\right)\:\mathrm{and}\:{y}={x}\:\mathrm{about}\:\mathrm{the}\:\mathrm{y}−\mathrm{axis}. \\ $$ Commented by mr W last updated on 11/Dec/24 $${you}\:{seem}\:{never}\:{to}\:{give}\:{any}\:{feedback}…

Find-e-ax-2-dx-when-a-is-constant-without-changing-the-coordinate-

Question Number 214360 by shunmisaki007 last updated on 06/Dec/24 $$\mathrm{Find}\:\underset{−\infty} {\overset{\infty} {\int}}{e}^{−{ax}^{\mathrm{2}} } {dx}\:\mathrm{when}\:{a}\:\mathrm{is}\:\mathrm{constant}\:\mathrm{without}\:\mathrm{changing}\:\mathrm{the}\:\mathrm{coordinate}. \\ $$ Answered by mathmax last updated on 06/Dec/24 $$=\mathrm{2}\int_{\mathrm{0}} ^{\infty}…

0-pi-2-sin-2-sin-x-cos-2-cos-x-dx-

Question Number 214301 by efronzo1 last updated on 04/Dec/24 $$\:\:\underset{\mathrm{0}} {\overset{\frac{\pi}{\mathrm{2}}} {\int}}\:\mathrm{sin}\:^{\mathrm{2}} \left(\mathrm{sin}\:\mathrm{x}\right)+\:\mathrm{cos}\:^{\mathrm{2}} \left(\mathrm{cos}\:\mathrm{x}\right)\:\mathrm{dx}\:=? \\ $$ Commented by Frix last updated on 04/Dec/24 $$\mathrm{Should}\:\mathrm{be}\:\frac{\pi}{\mathrm{2}} \\…

x-4-1-x-x-4-5-x-5-5x-1-dx-

Question Number 213962 by depressiveshrek last updated on 22/Nov/24 $$\int\frac{{x}^{\mathrm{4}} −\mathrm{1}}{{x}\left({x}^{\mathrm{4}} −\mathrm{5}\right)\left({x}^{\mathrm{5}} −\mathrm{5}{x}+\mathrm{1}\right)}{dx} \\ $$ Answered by Frix last updated on 23/Nov/24 $$\int\frac{{x}^{\mathrm{4}} −\mathrm{1}}{{x}\left({x}^{\mathrm{4}} −\mathrm{5}\right)\left({x}^{\mathrm{5}}…

pi-2-pi-2-0-R-d-dr-a-rcos-r-2-a-2-2arcos-3-2-f-a-R-Find-f-a-R-

Question Number 213934 by ajfour last updated on 22/Nov/24 $$\int_{−\pi/\mathrm{2}} ^{\:\pi/\mathrm{2}} \int_{\mathrm{0}} ^{\:{R}} \frac{\left({d}\theta\right)\left({dr}\right)\left({a}+{r}\mathrm{cos}\:\theta\right)}{\left({r}^{\mathrm{2}} +{a}^{\mathrm{2}} +\mathrm{2}{ar}\mathrm{cos}\:\theta\right)^{\mathrm{3}/\mathrm{2}} }\:={f}\left({a},{R}\right) \\ $$$${Find}\:{f}\left({a},\:{R}\right). \\ $$ Commented by ajfour last…