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Yeh i agree, because you are integrating pi y dy, because x^2=y already. so it should be (pi)(h^2)/2

for the volume of the parabola or cylinder?

That works, i evaluated it as a bloody percentage instead of a difference :(

except i realised i made a rookie mistake in the decibel question

im guessing 119 as that was a joke easy test

f(6)=-6 , as the area under the curve is -6 between 4 and 6.

far out this is annoying me

nice one! that diagram had a lot going on.

Draw a GOOD diagram so you can follow my reasoning, i'm not sure if it's the most efficient answer, but it works. i am leaving out the angle symbol, but u get the point. CEF+BFE=2EAF+AFE+AEF (exterior angle of triangle) CEF+BFE=2EAF+ECB+FBC (exterior angle of a cyclic quadrilateral)(EFBC is...

Thanks, you too, i hope i dont need it for 2U :/

Thats one good thing and one bad thing at being at a top top school. Your assessment mark can save you, but it can also just prevent you from getting to the top echelons. But either way you are going to get a brilliant mark. We have 5 people doing ext2 at my school

yeh, i dont know how they get 1 person who tops the state when there is more than 1 person who gets full marks, and most probably more than 1 person who got full marks who was first in their school?

how many do ext2 then?

LOL 169 people do ext1 maths! for u to come 7th is great especially at baulko

Did u come 1st in ext1?

You are a beast! what trial paper did u do? and I hate checking over a test, when you know that you cant fully check over each answer, so you have to guess which ones you think need checking and end up skipping others! That happened in the trial, where i couldn't do 2 questions, so i worked on...

I'm normally the opposite, or so I hope. Except when i get the bloody squeaky desk!

Ill be looking for u in the state ranks page! whats your name?

Any suggestions on the hardest projectile motion and/or binomial expansion questions in the HSC ext 1 papers from years gone?

If 3 students are on the same assessment mark, they come equal first, you do not have to have a difference between them. Secondly, your HSC mark is made up of 50% or your aligned test mark in your HSC exam, and 50% of your internal moderated assessment mark. The 50% internal mark is drawn from...