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Re: HSC 2014 4U Marathon are A and B real?

Re: HSC 2014 4U Marathon Here's what I did :) and also assuming a,b>=0

his doing ext 2 lol

Trebla's method is like 500 times easier but if you couldn't see it, then here is the solution using complex numbers.

count me in ^

oh it was started by me lol, basically everyone made way for the teacher to walk through just like a guard of honour and I shouted, "washing machine!" and pushed the teacher causing a chain reaction from everyone to join in haha.

got a detention for creating a 'washing machine' on a teacher walking down a hallway, was a practical joke but shit escalated quickly :p

I would love to have a really enthusiastic maths study buddy, someone who is very, very fond of mathematics like I am. For maths, I think studying together by attempting to uncover difficult questions will be greatly beneficial tbh especially in 4U, 2 minds are better than 1.

Two words: HOLY SHIT, that's some heavy duty workload but GL to you this year! :D

Yep agreed, for me its trigger words and diagrams :p

I memorise by applying the knowledge through doing questions. Gradual process of becoming ingrained in memory throughout the course of the year :)

Sorry, not intending to trade. Made these notes from scratch without the use of any other notes. I guess it marks the amount of work I've done and is something I can reflect on at the end of the HSC based on my mark I receive :)

Biggest motivators: Parents - The ultimate struggles and hardships encompassing their journey to Australia but most importantly the countless sacrifices they made for me to acquire the best education and upbringing despite economic circumstances. By achieving a high ATAR is my form of repaying...

Definitely Advanced English, but tbh you just have to sit down, put some band aids on your nipples and WORK. Once you master the art of grinding, everything becomes doable (no innuendo intended) :)

My notes for the first topic of Economics "The Global Economy" alone is 51 pages. Now writing notes on second topic, beauty of HSIE subjects is you can always work ahead. All you need is the syllabus and textbook by your side :)

Re: HSC 2014 4U Marathon Do we learn these inequality results later when we cover harder 3U?

Re: HSC 2014 4U Marathon Major arc on top half of the real axis, with open circles at -1+0i and 1+0i. Cartesian equation of locus: x^2 + (y-1)^2 = 2 for y>0

Yeah I got the same ^

same problem as you are in

Part (i) can also be done by dividing by z^2 so you get (z^2+1/z^2) + (z+1/z) + 1 = 0, then using the result z^n+1/z^n=2cos(nƟ) solving for Ɵ and interpreting solutions in terms of cis(Ɵ) by taking into account the principle argument -π≤Ɵ≤π when deciding which angles to select. Well since the...