Category: Integration

Question Number 11937 by tawa last updated on 05/Apr/17 $$\int \frac{\mathrm{dx}}{\sqrt{5+4\mathrm{x}-{\mathrm{x}}^2}}$$$$$$$$$$$$\mathrm{is}\mathrm{this}\mathrm{answer}\mathrm{correct}?-\ln [1/4(\mathrm{x}-5)-\ln 6(-1-\mathrm{x})]+\mathrm{C}$$ Commented by ridwan balatif last updated…

Question Number 142990 by mathmax by abdo last updated on 08/Jun/21 $$\mathrm{find}{\int }_0^{\mathrm{\infty }}\frac{{\mathrm{e}}^{-{\mathrm{x}}^2}}{{(3+{\mathrm{x}}^2)}^2}\mathrm{dx}$$ Answered by qaz last updated…

Question Number 11913 by tawa last updated on 04/Apr/17 $$\int {\mathrm{x}}^{{\mathrm{x}}^{\mathrm{x}}}\mathrm{dx}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 77447 by TawaTawa last updated on 06/Jan/20 $$\int \tan \left(\mathrm{x}\right)\tan \left(2\mathrm{x}\right)\tan \left(3\mathrm{x}\right)\mathrm{dx}$$ Answered by peter frank last updated on 06/Jan/20 $$\tan 3x=\frac{\tan x+\tan 2x}{1-\tan x\tan 2x}$$$$\tan 3x-\tan x\tan 2x\tan 3x=\tan x+\tan 2x$$$$\mathrm{tan}{x}\:\mathrm{tan2}{x}\:\mathrm{tan}\:\mathrm{3}{x}=\mathrm{tan3}{x}−\:\mathrm{tan}\:\mathrm{2}{x}−\mathrm{tan}{x}\:…

Question Number 77422 by john santu last updated on 06/Jan/20 $$\mathrm{can}\mathrm{solve}\int \frac{\mathrm{dx}}{{\mathrm{x}}^{17}-1}\mathrm{via}$$$$\mathrm{elementary}\mathrm{calculus}?$$ Commented by aliesam last updated on 07/Jan/20 $$\int\frac{\mathrm{1}}{{x}^{\mathrm{17}} −\mathrm{1}}\:{dx}…