Category: Integration

Question Number 149773 by Samimsultani last updated on 07/Aug/21 Answered by puissant last updated on 07/Aug/21 $$I={\int }_0^{\mathrm{\infty }}\frac{cos\left(ax\right)}{x^2+b^2}dx$$$$=\frac{\mathrm{1}}{\mathrm{2}}\int_{−\infty} ^{+\infty} \frac{{cos}\left({ax}\right)}{{x}^{\mathrm{2}}…

Question Number 18672 by mondodotto@gmail.com last updated on 27/Jul/17 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 18650 by thukada last updated on 26/Jul/17 $$\int dx/x\sqrt{x^4-1}$$ Answered by sma3l2996 last updated on 26/Jul/17 $$A=\int \frac{dx}{x\sqrt{x^4-1}}$$$${let}\:\:{t}=\sqrt{{x}^{\mathrm{4}} −\mathrm{1}}\Rightarrow{dt}=\frac{\mathrm{2}{x}^{\mathrm{3}}…

Question Number 18639 by 99 last updated on 26/Jul/17 $$\int \sqrt{1+x^4}dx$$$$pleasesolvethisquestion.$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 84163 by john santu last updated on 10/Mar/20 $$\int \sin \left(50x\right)\sin {}^{49}\left(x\right)dx?$$ Answered by jagoll last updated on 10/Mar/20 $$\sin 50\mathrm{x}=\sin 49\mathrm{x}\cos \mathrm{x}+\cos 49\mathrm{x}\sin \mathrm{x}$$$$\int\:\mathrm{sin}\:^{\mathrm{49}} \mathrm{x}\:\mathrm{sin}\:\mathrm{49x}\:\mathrm{cos}\:\mathrm{x}\:\mathrm{dx}\:+…