kawaiipotato
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- 2015
Re: MX2 2015 Integration Marathon
![](https://latex.codecogs.com/png.latex?\bg_white $ I $ = \int \frac{x^{2}}{x^4 + 4x^{2}} dx + \int \frac{4}{x^4 + 4x^{2}} dx )
=![](https://latex.codecogs.com/png.latex?\bg_white \int \frac{1}{x^2 + 4} dx + \int \frac{4}{(x^2 + 2)^2 - 4} dx )
=![](https://latex.codecogs.com/png.latex?\bg_white \frac{1}{2}tan^{-1} \left ( \frac{x}{2} \right ) - \ln \left ( \frac{x^2 +4}{x^{2}} \right ) + \mathcal{C} )
Nvm it forgot it had a square root at the top
b)
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Nvm it forgot it had a square root at the top
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