 2021

Source: original released examination PDF, bundle pages 79–81; paper pages 1–3.

Solutions to all three questions of the examination sat on 16 June 2021, including all optional parts. Integrability means Lebesgue integrability; a conditionally convergent improper integral does not suffice. The Roman items in Question 3(a) are the three required properties of one construction; the construction and its limiting properties are explained first, and each Roman item is checked separately.