This one is double-barrelled. A strange multiple choice question appeared in the 2019 NHT Mathematical Methods Exam 2 (CAS). We had thought to let it pass, but a similar question appeared in last’s weeks Methods exam (no link yet, but the Study Design is here). So, here we go.
First, the NHT question:
The examination report indicates the correct answer, C, and provides a suggested solution:
And, here’s last week’s question (with no examination report yet available):