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They didn't. They probably just used a paper paper.

That's OK. Maybe you didn't know PEAK's is the same as Roy Fu's.

Yeah. The same ones I put in post#397. PEAK's is the same as Roy Fu's

Here is Roy Fu's solutions (PEAK). This one is for the whole paper.

See post #253 for paper

Yeah I'm aware of it. Maybe better version is coming later.

paper (some questions missing) maybe better version coming later. EDIT: complete version in post #439

They seem to have released the mg's for advanced maths and standard maths prematurely. The link still works but if you look at https://educationstandards.nsw.edu.au/wps/portal/nesa/resource-finder/hsc-exam-papers/2023/mathematics-advanced-2023-hsc-exam-pack you will see the link has been...

itute solutions: https://www.itute.com/wp-content/uploads/2023-NSW-ESA-Mathematics-Extension-1-Solutions.pdf

James Ruse Chemistry 2023: https://community.boredofstudies.org/resources/james-ruse-chemistry-trial-2023.20381/ now added to post #11

James Ruse Chemistry Trial 2023

maths ext 1 is up now: https://educationstandards.nsw.edu.au/wps/portal/nesa/resource-finder/hsc-exam-papers/2023/mathematics-extension-1-2023-hsc-exam-pack

official version of the paper is up now: https://educationstandards.nsw.edu.au/wps/portal/nesa/resource-finder/hsc-exam-papers/2023/mathematics-extension-1-2023-hsc-exam-pack

Here is the paper

itute standard 2 solutions: https://www.itute.com/wp-content/uploads/2023-NSW-ESA-Mathematics-Standard-2-Solutions.pdf

But look at their answer This is my answer: Mine also agrees with Xu's, fizzysoda's, Mok's and Mind Your Decisions'

Hey I fixed it using 2 vertical phantom characters but the code is ugly $\frac{d\ddot x}{dx}=\frac{\hskip0.012in\dot{\hskip-0.03in\vphantom x}\dot x\dot{\hskip-0.018in\vphantom x}}{\dot x}=$ Surely there's a more elegant way to fix the latex triple dot weirdness! Any ideas?

Something very eldritch happened in my latexed solutions and those with esoteric knowledge of latex may know how to fix it but I don't. The eagle-eyed may have noticed it but you have to look very closely to see it. I call it the latex triple dot weirdness There are 2 instances of using...

Here are my solutions which are typed too: https://4unitmaths.com/hsc2023e2-tywebb.pdf

Here are my solutions. https://4unitmaths.com/hsc2023e2-tywebb.pdf