5 Questions Your CAS Can't Solve — And How to Beat Them

Every VCE Methods and Specialist student leans on their CAS. Every year, a handful of exam questions are written specifically to punish students who over-trust it — definitions of domains, composite inverse functions, edge-case limits, and questions where the CAS-friendly form is the wrong form. The PDF is the question booklet; the video walks through the by-hand solutions at tutor pace, including what the CAS does wrong and why.