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Category: Integration

y-2-1-sin-x-y-

Question Number 43008 by MJS last updated on 06/Sep/18 $$\left({y}'\right)^{\mathrm{2}} =−\mathrm{1}+\mathrm{sin}\:{x} \\ $$$${y}=? \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 06/Sep/18 $$\frac{{dy}}{{dx}}=\sqrt{−\mathrm{1}+{sinx}}\: \\ $$$$\frac{{dy}}{{dx}}=\sqrt{−\mathrm{1}\left(\mathrm{1}−{sinx}\right)}\:…

1-cos-x-4tan-x-dx-

Question Number 42994 by MJS last updated on 06/Sep/18 $$\int\sqrt{\mathrm{1}+\frac{\mathrm{cos}\:{x}}{\mathrm{4tan}\:{x}}}{dx}=? \\ $$ Commented by tanmay.chaudhury50@gmail.com last updated on 06/Sep/18 $${this}\:{problem}\:{snatched}\:{the}\:{sleep}\:{and}\:{mind}\:{hovering} \\ $$$${to}\:{get}\:{the}\:{answer}… \\ $$ Commented…

0-pi-6-3cos2x-1-cos-2-x-dx-

Question Number 108507 by Eric002 last updated on 17/Aug/20 $$\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{6}}} \sqrt{\frac{\mathrm{3}{cos}\mathrm{2}{x}−\mathrm{1}}{{cos}^{\mathrm{2}} \left({x}\right)}}\:{dx} \\ $$ Answered by Sarah85 last updated on 18/Aug/20 $$\underset{\mathrm{0}} {\overset{\frac{\pi}{\mathrm{6}}} {\int}}\sqrt{\frac{\mathrm{3cos}\:\mathrm{2}{x}\:−\mathrm{1}}{\mathrm{cos}^{\mathrm{2}}…

Question-108506

Question Number 108506 by mnjuly1970 last updated on 17/Aug/20 Answered by mathmax by abdo last updated on 17/Aug/20 $$\mathrm{A}\:=\int_{\mathrm{0}} ^{\infty} \:\frac{\mathrm{ln}\left(\mathrm{x}^{\mathrm{2}} +\mathrm{1}\right)}{\mathrm{x}^{\mathrm{2}} \left(\mathrm{x}^{\mathrm{2}} \:+\mathrm{3}\right)}\mathrm{dx}\:\Rightarrow\mathrm{A}\:=_{\mathrm{x}=\sqrt{\mathrm{3}}\mathrm{t}} \:\:\:\int_{\mathrm{0}}…

Question-174024

Question Number 174024 by Michaelfaraday last updated on 23/Jul/22 Answered by behi834171 last updated on 23/Jul/22 $$\frac{\mathrm{1}}{\left({a}^{\mathrm{2}} +{t}^{\mathrm{2}} \right)\left({b}^{\mathrm{2}} +{t}^{\mathrm{2}} \right)}=\frac{\mathrm{1}}{{a}^{\mathrm{2}} −{b}^{\mathrm{2}} }.\frac{\left({a}^{\mathrm{2}} +{t}^{\mathrm{2}} \right)−\left({b}^{\mathrm{2}}…

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

Question Number 42945 by ajfour last updated on 05/Sep/18 $$\int_{\mathrm{0}} ^{\:\:\pi/\mathrm{2}} \frac{{dx}}{\:\sqrt{\mathrm{sin}\:{x}}}\:=\:? \\ $$ Commented by MJS last updated on 05/Sep/18 $$\mathrm{this}\:\mathrm{can}'\mathrm{t}\:\mathrm{be}\:\mathrm{solved}\:\mathrm{with}\:\mathrm{elementar}\:\mathrm{methods}, \\ $$$$\mathrm{it}\:\mathrm{leads}\:\mathrm{to}\:\mathrm{an}\:\mathrm{elliptic}\:\mathrm{integral},\:\mathrm{you}\:\mathrm{can}\:\mathrm{find} \\…