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Yes, yes it is.

Can someone point me in the direction of some half yearly past papers - preferably those that cover complex numbers, conics & polynomials? I've had a look in the resources section and 4unitmaths.com/angelfire and I've only been able to find past trial papers (apart from the one half yearly in...

1. First we place the 3 women. Assuming there's 4 seats on each side that means that there's 4P3 ways to place them. Now we consider the other two; there's 4P2 ways to place them. Now there's 3 people left and 3 places to seat them, so 3!. Number of ways = 4P3*4P2*3! 2. There's two different...

Depends on your school. Under the BOS requirements you can do 8, but some schools (or at least mine), won't let you do less than 10 units no matter what.

That's all I can do as well. One of my friends could recite 50 digits at one point. Also, mum made me pie for dinner to celebrate :')

You need some sort of life. If you sit at home studying all day you're going to end up killing yourself (srs). If you don't want to make friends (which I entirely understand, I've been in a similar situation) at least go out by yourself sometimes - Hit the gym, go for a run, even just sit...

Sonny?

Re: 2012 HSC MX2 Marathon <a href="http://www.codecogs.com/eqnedit.php?latex=\prod_{k=2}^n\left(1@plus;\frac{1}{k}\right) = \prod_{k=2}^n\left(\frac{k@plus;1}{k}\right) = \frac{3}{2}\cdot\frac{4}{3}\cdot \frac{5}{4}\cdot ...\cdot \frac{n}{n-1}\cdot\frac{n@plus;1}{n} =\frac{n@plus;1}{2}\\ ~\\...

Re: 2012 HSC MX2 Marathon Because for X to win the second time, he must lose on his roll (probability 5/6), and Y must also lose (probability 5/6). EDIT: beat me to it :(

"Let the sum of all triangles be A" I'm assuming you mean the sum of the area of all the triangles?

30th April (Term 2, Week 2)

There's no point doing questions if you don't know what you're writing about, especially considering all your subjects are humanities/social sciences.

Re: 2012 HSC MX2 Marathon You sure that question's right?

<a href="http://www.codecogs.com/eqnedit.php?latex=$Let $a@plus;ib=\sqrt{21-20i}\\ \therefore (a@plus;ib)^2=a^2@plus;2abi-b^2=21-20i\\ ~\\ $Equating Real and Imaginary parts we get$\\ a^2-b^2=21~~~~~~~~(1)\\ 2ab=-20\\ ab=-10\\ b=-\frac{10}{a}~~~~~~~~~~~~~~~~(2)\\ ~\\ $Subbing (2) into (1):$\\...

Do you realise you just replied to a post that's 2.5 months old..?

Mine start on Friday the 23rd and go until the last day of term. I've got English on the 27th, MX2 on the 28th, Physics and Music Aural on the 30th, MX1 on the 2nd, Legal on the 3rd and Music Practical on the 30th. I'm pretty happy with it, lots of gaps between exams. Pretty annoyed that...

Re: 2012 HSC MX2 Marathon <a href="http://www.codecogs.com/eqnedit.php?latex=\\ x^n@plus;y^n=1\\ nx^{n-1}@plus;ny^{n-1}\cdot \frac{dy}{dx}=0\\ \frac{dy}{dx}=-\frac{x^{n-1}}{y^{n-1}}~($for $n\geq 2)\\ ~\\ $Clearly, $(1,0)$ and $(0,1)$ both satisfy the equation $x^n@plus;y^n=1$ for all values of...

Continuing from above: <a href="http://www.codecogs.com/eqnedit.php?latex=\\ =\frac{n!(r@plus;1)}{(r@plus;1)!(n-r)!}@plus;\frac{n!(n-r)}{(r@plus;1)!(n-r)!}\\ =\frac{n!(r@plus;1@plus;n-r)}{(r@plus;1)!(n-r)!}\\ =\frac{n!(n@plus;1)}{(r@plus;1)!(n-r)!}\\ =\frac{(n@plus;1)!}{(r@plus;1)!(n-r)!}\\...

Have some sort of whole school event. At my school last year we had a "School Spirit Week" which was pretty cool. There was a dance, teachers vs students sport, multicultural day and a few other things I can't remember off the top of my head.

I'm poor and I go to a selective school. Something I have noticed at my school is that most of the white people are lower/middle class, while everyone else seems to be middle to upper class. Just to make it clear, I'm not stereotyping, not trying to be racist, it's just an observation.