Mathematics 9709 · AS & A Level · Differential equations
Differential equations — practice question
The variables $x$ and $y$ are linked by the differential equation $(x^2+1)\frac{dy}{dx}=kxe^{2y}$, where $k$ is a constant. It is also stated that $y=0$ when $x=0$ and that $y=-\frac{1}{2}$ when $x=1$.
(main)[8]
Solve the differential equation and determine the exact value of $y$ when $x=\sqrt{3}$.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Carry out separation of variables correctly” …