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    2023 HSC Mathematics Extension 2 16c question mistake?

    Thanks, I see my misunderstanding. I incorrectly assumed it meant to sketch the region that would satisfy all z and w, instead of being in terms of z and w. I had drawn my solution, and by comparing graphs I assumed that I had made a mistake with my inequality and not my understanding of the...
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    2023 HSC Mathematics Extension 2 16c question mistake?

    I've been looking at some solutions for this question, but they seem all incorrect. Videos include: In the description of the video by Mind Your Decisions, there is a link to a tiktok by a James Ruse student who also provides a solution. I have a picture of their work attached below. At some...
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