Mathematics 9709 · AS & A Level · Logarithmic and exponential functions

Logarithmic and exponential functions — practice question

(main)[3]

If $\ln\left(1 + e^{2y}\right) = x$, express $y$ in terms of $x$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “State that $1 + e^{2y} = e^x$” …