Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2018/ia/paper-1/2a/ii/solution

Top articles Latest articles New article in topic
Past exam of the mathematics course of the University of Cambridge / 2018 / ia / Paper 1 / 2A / ii / Solution by Codex 0 Created 2026-09-24 Updated 2026-10-03
The only noninvertible case is . Then is the orthogonal projection onto , so
(1)
These dimensions agree with the rank-nullity theorem.
Read the full article

New to topics? Read the docs here!