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3U has NO effect on 4U mark. They are separate courses.

o-o Nothing is special about your virginity....

Re: HSC 2013 3U Marathon Thread Use \dfrac{d}{dx} rather than \dfrac{\delta}{\delta x}. Deltas have a different implication and aren't use in the syllabus.

Are you sure there's no v\dfrac{dv}{dx} in 3U...? \dfrac{d}{dx}\left(\frac{1}{2}v^2\right) = \dfrac{dv}{dx}\dfrac{d\left(\frac{1}{2}v^2\right)}{dv} = v\dfrac{dv}{dx} = \dfrac{dx}{dt}\dfrac{dv}{dx} = \dfrac{dv}{dt} = \dfrac{d^2x}{dt^2}

Re: HSC 2013 2U Marathon John likes boys and so will not get laid by either girl. (ie negative probabilities)

Re: HSC 2013 2U Marathon Prove the cosine rule for triangles.

Re: HSC 2013 2U Marathon so trixxy

Just don't use it.

I've seen some teachers and tutors try to be fancy pantsy and put IFF in lots of cases where the converse isn't true at all (some geometry proofs). Then students think its all cool and whack and IFF all over the place.. but they don't even know what it means.

Which graph question is this? Also, for the probability, I gave a mark for some correct terms or logic. You guys needed some marks.

You had some ideas but they didn't come into fruition.

Nah we had another guy for MATH1902, but we had Easdown for first half of 1903, because he filled in for Parkinson. He likes a lot of 'weird' maths...loves his proving from first principles (every fucking time - not just differentiation, EVERYTHING O_O)

But...David Easdown is a witch.

I would like to make a comment as a marker: TOO many students just LEFT MULTIPLE CHOICE ovals unfilled. I do not know for what reason this is the case - it seemed way too prevalent than it should have been. FILL IN ALL BUBBLES REGARDLESS OF WHETHER YOU ARE GUESSING OR HAVE WORKED IT OUT. A...

Lookin' forward.

They usually take a few months to even get the raw non stimuli paper out...

Re: HSC 2013 4U Marathon Jesus..

lol 2015...the bos nsw isn't having any of it. they should just make the nsw syllabi the national ones and then just make improvements to them

Lol...

I think some of the 90s papers had some harder types but can't remember.