Affine mapping of the form x -> Ax + b — IITM BS previous year questions

Affine mapping of the form x -> Ax + b is part of Affine Subspaces and Affine Mappings, Week 7 in Mathematics 2. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.