Solution

Question\n\nIf $y = e^{\sin x} \cos bx$, show that $\dfrac{d^2 y}{dx^2} - 2a \dfrac{dy}{dx} + (a^2 + b^2)y = 0$.\n\nContent coming soon. Write the full solution here, or use the part files (p-i.mdx, p-ii.mdx, …) for each part.