Re: MX2 2015 Integration Marathon
Alternatively, try the self-inverse substitution![](https://latex.codecogs.com/png.latex?\bg_white \,u=\frac{1-x}{1+x})
Alternatively, try the self-inverse substitution
Hint for others, exact value is a dead give away especially with zero at the lower limits.
Combine this with a clever substitution (trig).
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