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1st in everything to be safe

yes please! ;D

Re: HSC 2014 4U Marathon Show that the points z_1,z_2,z_3 are collinear if and only if αz_1+βz_2+γz_3=0, where α+β+γ=0 (α,β,γ are real and non zero) P.s. How do you use Latex here?

Interesting

Re: 2012 Year 9 &10 Mathematics Marathon IMO this test is a good indicator which areas you lack practice in

Re: 2012 Year 9 &10 Mathematics Marathon Do AMOC Correspondence Extension Program then... you get all the fun there ;P

Re: 2012 Year 9 &10 Mathematics Marathon Decent questions in the upper tier for year 10 questions. Pretty straightforward if you know your stuff and got enough practice of the year 10 syllabus tho. Will be challenging to most year 10's at first sight but it isn't that bad - just the questions...

Re: 2012 Year 9 &10 Mathematics Marathon inboxed

Re: 2012 Year 9 &10 Mathematics Marathon @demento1, its in the extension program ;D (one of the easier questions for the 1st week)

Here is an interesting question from my maths olympiad. Hint: think about patterns, fairly straightforward once you get it A positive integer is said to be partitioned if expressed in the form n = x1 +x2 + ... +xk, where k >= 1 and each of x1, x2, ... , xk is a positive integer. Assuming...

Lol i know, i was just doing proper solutions so it looks easier to read... if you get what I mean xD so people actually get what is happening.

Cheers have fun (thought last question referred to all of the nonshaded instead of within the box... bad wording of question tbh) gl fawun solutions:

dat elegance

Re: 2012 Year 9 &10 Mathematics Marathon hahaha thanks ^^ and yeah there are other ways to do it but as i like to say.. keep to stupid simple unless necessary xP

Re: 2012 Year 9 &10 Mathematics Marathon challenge completo~

Re: 2012 Year 9 &10 Mathematics Marathon there we go ;P

May i please have a sample of the chem and bio notes?;D ~cheers

Re: 2012 Year 9 &10 Mathematics Marathon so you let x = that massive equation. square both sides so.. x^2 = 7 - 6[insert that massive equation] the massive equation = x hence: x^2 = 7 - 6x x^2 + 6x - 7 = 0 (x+7)(x-1)=0 x = -7 or 1 but because x>=0 because its a...