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Hey everyone, Ngo and Sons have typed up the solutions for the entire MX2 (4U) paper that was conducted today. The link to the worked solutions is here: ngoandsons.com.au/hsc-solutions Good luck everyone :) I hope you all did well!

yes it's possible, i know many people that have got 99 & 100 without tutoring

14 units is definitely a lot, however, if you genuinely enjoy all 14 units and have the time to study for all your units, then it is okay. I knew a people who have done extremely well in the HSC with 14 units.

can't do the question right now but i assume that this is how you do it: since x^3 + 3ax^2 + 3bx + c = 0 has a double root then this means that p(x) = x^3 + 3ax^2 + 3bx + c has a double zero. let this double zero be y. then p(y) = 0 and p'(y) = 0. this means that y^3 + 3ay^2 + 3by + c = 0 and...

$\log_2(\log_3(x)) = 5 \Longrightarrow \log_3(x) = 2^5 \Longrightarrow x = 3^{2^5}$

Around 30%, as I needed to study for English, Chemistry and Physics as well :(

don't worry, my school's rank was 250+ and I still managed to get a decent atar, just make sure you get good rankings

Without 95+ there is little chance. Someone I know got right below 95 and didn't get an offer

In my year, they dropped the ATAR requirements by 4 points (to 95) for guaranteed entry into optometry for EAS

^ If you underperform in trials, but your overall ranking is still fine, then you will be okay

Not doing well in your trials will definitely impact your ATAR, but you can still work hard for the HSC exams, which may result in an 80+ ATAR.

If you don't have enough time to memorise all the content and do multiple past papers, you should definitely consider trying to do as much of a past paper as possible. If you are stuck, only then do you get out your notes and then answer the question

English and Physics - I did better in the actual HSC Everything else - I did better in the trials But I didn't do a lot better, only better by like a few %

I deactivated during trials and during the HSC exam period, it definitely helped as I procrastinated less

98.5

tan(pi/4 + x) = (tan(pi/4) + tan(x))/(1 - tan(pi/4)tan(x)) (tan expansion formula) = (1 + tan(x))/(1 - tan(x)) = (cos(x) + tan(x)cos(x))/(cos(x) - tan(x)cos(x)) (multiplying the top and bottom by cos(x)) = (cos(x) + sin(x))/(cos(x) - sin(x))

Went from rank 15/40 in prelim physics to rank 4/35 in hsc physics. Also went from rank 35/80 in prelim standard english to rank 3/80 in hsc standard english.

Like pikachu975 said, do past papers from your school or past papers that are of similar difficulty to your school's exams. Leading up to the HSC, you should be doing more difficult past papers (from the top schools) so that you are familiar with a wider range of questions

I never went dr du, only ngo & sons, they helped a lot with maths :) made me a much better student

Ngo & Sons was $300 a term (when I was there)