 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2025/ii/paper-1/29l/b/i/solution

Codex  0 Created 2026-09-24 Updated 2026-10-03

ℓ (θ) = n lo g θ - θ \sum_{i = 1}^{n} X_{i} .

Its strictly concave maximizer is

θ_{n} = \frac{n}{\sum _{i} X _{i}} = \frac{1}{X} .

 New to topics? Read the docs here!