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LOL i was thinking if they were the same but i couldn't really understand it the way you expressed it. Work on your english m8

Find dy/dx and d^2y/dx^2 Sub in y and dy/dx in to the differential equation. Rearrange such that d^2y/dx^2 is on one side and everything else is on the other. Equate coefficients with d^2y/dx^2 equation. I haven't tried this yet but it may work. You could mix things around like subbing in y...

Thanks for organising Carrot! That idea about mock HSC papers sounds excellent. Can't wait for that :)

In tests, they either ask you to derive it, or they'll supply the equations. In textbooks, they don't specify, so do whichever you like (don't derive if you're already confident and feel that you'll just be wasting time).

To divide it in to 5 equal subintervals, we need to consider the 4 different ratios for A, B, C and D. For A, it is one fifth of the distance away from S and four fifths the distance away from T. So the ratio for A is 1:4 For B, 2:3 For C, 3:2 For D, 4:1

lol love the logo

Just wondering, how will the tables be set up tomorrow? Will there be a specific subject in an area where there are tutors available?

hey, didn't know that was you today haha

hey, didn't know that was you today haha

LOL... Feels good to fit the stereotype.

I've been in that state for the past few weeks lol

That description will probably fit half the asian guys in Parramatta library.

What exactly does one mean by burnt out? Just the feeling of not wanting to do anything and basically "ceebs"?

Re: 2012 Year 9 &10 Mathematics Marathon lol this sounds like the exact same question as the last (?) question in my school's 2U half-yearly exam.

Re: 2012 Year 9 &10 Mathematics Marathon With 3. , focus on the expression with the divide sign in front of it. Notice the bottom is a perfect square, and if you put the two terms at the top together under a common denominator and factorise it (difference of two squares), you find things...

i see wut u did there

Reminder to everyone, Spiral loves taking fan photos :)

Yes, it is called Representation and text. It's about the way things are presented affecting the way they are received. One form of presenting things are through conflicting perspectives (your elective). The way i tackled this module was considering Shakespeare's purpose in using conflicting...

not good, as you can tell i'm on right now need to dig a deeper hole

Re: Why do we need to ensure that the mole ratio (N2:H2) remains 1:3 during the Haber From what I've been taught, you maintain the stoichiometric ratio as a higher concentration of one other will act to clog the catalyst, reducing effective surface area.