User contributions for Jorgen70034@students.laalliance.org

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29 November 2022

  • 06:1906:19, 29 November 2022 diff hist +554 N 7.1 Integration By Parts/26Created page with "<math>\int_{1}^{\sqrt{3}}arctan\left(\frac{1}{x}\right)dx</math> <math>letu =arctan\left(\frac{1}{x}\right)du=dx=du=\frac{1}{1+(1/x)^2}x\frac{-1}{x^2}dx=\frac{-dx}{x^2+1}</math> <math>\int_{1}^{\sqrt{3}}arctan\frac{1}{x}dx=[xarctan\frac{1}{x}]\bigg|_{0}^{1}+\int_{1}^{\sqrt{3}}\frac{x}{dx}x^2+1=\sqrt{3}\frac{\pi}{6}=\frac{1}{4}=\frac{1}{2}[in(x^2+1)]\bigg|_{1}^{\sqrt{3}}</math> <math>=\frac{\pi\sqrt{3}}{6}-\frac{\pi}{4}(in4-in2)=\frac{\pi\sqrt{3}}{6}-\frac{\pi}{2}=\fr..." current
  • 02:0402:04, 29 November 2022 diff hist +394 6.2 Volumes/29No edit summary current
  • 00:2400:24, 29 November 2022 diff hist +160 N 6.2 Volumes/29Created page with "<math>y^2+R=1</math> <math>\int_{0}^{1}\pi(1-y^2)^2-\pi(1-\sqrt[31]{y})^2dy=\pi\sqrt{\int_{0}^{1}}1-2y^2+y^4dy</math> <math>\int_{0}^{1}1-2-\sqrt[3]{y}</math>"

2 September 2022

1 September 2022

25 August 2022

23 August 2022