2020-3.md

course	course_year	question_number	tags	title	year
Complex Analysis or Complex Methods	IB	3	IB 2020 Complex Analysis or Complex Methods	Paper 1, Section I, G	2020

Let $D$ be the open disc with centre $e^{2 \pi i / 6}$ and radius 1 , and let $L$ be the open lower half plane. Starting with a suitable Möbius map, find a conformal equivalence (or conformal bijection) of $D \cap L$ onto the open unit disc.