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matrix standard 2 solutions: https://www.matrix.edu.au/2024-hsc-maths-standard-2-exam-solutions/

it's up again. new link: https://www.matrix.edu.au/2024-hsc-maths-extension-2-exam-solutions/

watching conclave now u seen it?

matrix education solutions: https://www.matrix.edu.au/2024-hsc-maths-advanced-exam-solutions/

matrix education solutions: https://www.matrix.edu.au/2024-hsc-maths-extension-1-exam-solutions/

not sure what happened but the matrix education solutions disappeared! i think they will come back later maybe with different link

started watching star wars skeleton crew now

matrix education solutions: https://www.matrix.edu.au/2024-hsc-maths-extension-2-exam-paper-solutions/ EDIT: link not working anymore

The following statement doesn't really say much about me, but says quite a lot about a lot of other people: If I can communicate effectively without using social media then there is nothing wrong with me.

social media has been banned in australia for under 16s because it is bad for them according to murdoch press murdoch’s press is bad for them too so we should ban that too social media is bad for everyone, not just under 16s so it should be banned for everyone

apex tutoring solutions: https://www.apextutoring.com.au/worked-solutions-to-the-2023-hsc-mathematics-extension-2-exam-2/ there are also links there to the apex tutoring solutions for ext 1, adv, std 2 and std 1 exams

next year at uts (not sure which lecture theatre yet, but probably the guthrie theatre) nesa are doing presentations on the marking of the maths hsc exams 2024. it goes from 9am-4:15pm on Feb 22, 2025. if you want to go, i’ll confirm later the lecture theatre. but i might not go. the last 2...

u think ai tutor better than real tutor? ai tutor cheaper so now we have this https://www.heraldsun.com.au/victoria-education/advice/parents-turn-to-artificial-intelligence-to-tutor-their-kids-amid-costofliving-crunch/news-story/95429d788b5b3a62cd6cc293814df216 i make pdf if u can't open...

here another method

here alternative method for 2024 senior q30 using cramer's rule:

i did the 2024 senior q30

there is a bit of controversy about 13b now. here solution: controversy stems from comments in textbooks the cambridge and steve howard books say something to the effect that \dot x^2=n^2(a^2-(x-c)^2)\text{ needs to be derived each time} so u notice in above solution the derivation not...

it also a question of equity. rich kids with all the wiz-bang expensive technology getting answer in a millisecond thereby giving time-advantage to the rich kids, and poorer kids with cheaper calculator that don't do complex number have to do it longer way, losing valuable time in exam.

so that just leaves for ext. 2 the or otherwise method for the 11eii an obvious way would be binomial expansion method u dunno the marking criteria during exam, but u do know it 2 mark they say "obtains correct number in modulus-argument form, or equivalent merit" for 1 mark not clear here...

here is or otherwise method for 12cii