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\displaystyle[br]\begin{equation*}\int_a^b f(x) \, \mathrm{d}x = \int_a^b f(a+b-x) \, \mathrm{d}x\end{equation*}
\displaystyle [br]\begin{equation*} I = \int_0^{\pi/4} \log \frac{2}{1 + \tan \theta} \, \mathrm{d}\theta = \frac{\pi}{4}\ln 2 - I \iff I = \frac{\pi}{8}\ln 2\end{equation*}
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrong71