A Choice of Difficults

You have a choice. The two questions below come from different exams: The first question was the final (half-)question from the NSW 2020 Mathematics Extension 2 Examination (scientific calculator permitted, plus provided formula sheet); The second question was the final question from the Victorian 2020 VCE Specialist Mathematics Examination (CAS calculator permitted, plus provided formula […]

VCAA’s Draft Feedback Due TODAY

We’ve been remiss in not writing further on VCAA’s draft for the new mathematics VCE subjects. It’s just, for reasons we’ll explain briefly here and flesh out elsewhere, we’ve struggled to face up to this new nonsense. But, feedback is due TODAY (midnight? – see links below), and we really oughta say something. So, here […]

Rumoring Scotch

The other day we were teasing a friend and colleague who teaches at Melbourne’s Scotch College, and we got seriously puzzled. We have a question. Scotch is arguably the strongest and most prestigious school in Melbourne, now and always. Its alumni include a number of Australia’s greats, including Sir John Monash, Sir Ninian Stephen, Professor […]

WitCH 52: Lines of Attack

Yes, we have tons of overdue homework for this blog, and we will start hacking into it. Really. But we’ll also try to keep the new posts ticking along. The following, long WitCH comes from the Cambridge text Mathematical Methods 3 & 4 (including an exercise solution from the online version of the text). UPDATE […]