2021 Shanghai High School Math Exam — Final Question

This is how Chinese students battle for University places…

This is a follow-up article to How Hard is High School Math in China?, where I presented 3 multiple choice questions from the 2021 Shanghai Gao Kao.

Here I discuss the final problem on the exam, an extended response question containing 3 parts:

I teach high school mathematics in Melbourne, Australia. I like thinking about interesting problems and learning new things.

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