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math logic

Re: HSC 2015 3U Marathon Fourth line assumes something that isn't yet true.

Re: HSC 2015 2U Marathon Differentiate x^(1/3) by first principles

m9. go to school, print the whole friggin internet = worth #hobolife

gg in the exam. we've all done it b4 trollface.jpg

re: HSC Physics Marathon Archive In the mean time: Discuss the BCS theory of superconductivity.(~4-6 marks, i just made the question up lol)

re: HSC Physics Marathon Archive Idk much about astro, but if its for your personal interest, i looked up http://www.atnf.csiro.au/outreach/education/senior/astrophysics/binary_types.html#bintypespectro GL (prob better to stick to q's within the core)

Re: HSC 2015 3U Marathon part b) seems surprisingly simple :P

Re: HSC 2015 3U Marathon rofl, pre sure u dont learn that in yr 12 ^ i reckon its 30!!/15!! ?

^this and if it does, anyone got a clue as to where to look for :D

that's rood enigma. i use mif :( ,are you calling me a noob. im going to tell mum

Sup man, nice name

Rofl, join date 2007, is a 'new member' :alone:

Will listen to chuck norris

bump :) (did these papers, HUGE timesaver)

Yup, teachers be sneaky >.>

We live in a world where money>year 12 kids essays that is full of bs and the unlikely occurrence of a sophisticated essay Thus, the intro says it all... (Just jk, but this may be true)

Re: HSC 2015 4U Marathon - Advanced Level (c=cos) (k=desired integer) c^2x+(2c^2x-1)^2+(4c^3x-3cx)^2=1 ->c^2x(16c^4x-20c^2x+6)=0 (expand and factorise) c^2x=0; x=pi/2 (+kpi) ->16c^4x-20c^2x+6=0 Let c^2x=m ->16m²-20m+6=0 (solve for m, resub c and yeah...)...

I'll destroy bronze five. Is that a good aim? Or should I go for 50% in my next maths exam :(

Re: HSC 2015 4U Marathon Yeah, but the question itself is 4u level, no?