9709 P33 - Nov 2014 - Q10
2093
By first using the substitution \(u = e^x\), show that
\(\int_0^{\ln 4} \frac{e^{2x}}{e^{2x} + 3e^x + 2} \, dx = \ln \left( \frac{8}{5} \right).\)
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