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thx brett for the geometrical way :)

thanks ff! really appreciate it another stupid qs, u know when u sub in x=4sin@+4, and u get the new limits, say... at x = 0, sin@ = -1 , now which quad do you take for the new limit? is it always just between -n/2 and n/2? but theoratically shouldn't 3n/2 be rite too? but 3n/2 will giv a...

i felt like shit after doing those papers...

hmm, i tried doing it by shells and ended up with a intergral of from 0 to 2, root(8x - x^2) (the rest is alrdy intergrated) any idea how do do that?

whoa, i forgot about maths olympiads after primary school :p does anyone have past papers just for fun?

damn couldn't work it out, i only got to what lunatic got..

it helps, but doesn;t help if u arn't good at 4u which only takes time away from ur 3u studies... at my school 4u ppl came 1st and 2nd and 3u ppl came 3rd and 4th, so yeh.. 3u ppl can still do well

hey kfunk, good solutions!, but i got really lost at this part... Consider the fact that m = -1/t2 [gradient of (cp, c/p) point of contact] so: mct + c/t = 0 (1) well if i sub bak x and y in, it's mx + y = 0, where was this from? and what's with the consider the fact that m = -1/t^2...

glass... has a charge??? shit, is my general knowledge that bad.... lol, i put caz the 2nd one's got a cholrine in it, which will... miraculously fall off, and... react... somehow, damaging the glass/china, lol but i gotta say, this was shit easy compared to the school assessments i usually...

well, my school's eng paper got cancelled ( after we did them), now they scheduled the redoes for next week, are they allowed to do that??? as this was not known by the school or students before that day.

that's a 3 year old topic u've dug bak up

hmm, probably a 3 rite now, but u never know if the stuff u put is what the teachers want... good thing i crammed till 4am last night, woke up at 8, then crammed another 4hrs b4 trials is neap or cssa generally harder? i saw a past cssa and it didn't seem that tough

rather than parabola, it's more like an absolute function of a straight line graph shifted up, ie. a v shape

well, my school did it today, it was pretty easy..., but then catholic trials are pretty easy as well. is cssa harder or neap harder? the industrial chem qs on soap was tough, y the hell is the anionic detergent is preffered rather than the cationic detergent for china/glass??

wow, c_james, with ur 25 pgs in 2hr eng exam, is it lined paper or booklets? caz 25 pgs lined is crazy... 25 pgs x 30 lines x 10 words = 7000+ words. now i dunno about you, but the fastest guy at my school only writes around 18-20 pgs max in 2 hrs, and yes he memories everything off by...

hmm, both answers seem right, but i think it's because the purpose of the tax was for the redistribution of income? so it's more directly linked rather than RBA trying to minimise inflation by raising interest rates.

is there anyone with the test? even just the multiple choice section will be cool... sunjet sent it to me, wat a champion. dl here if u want http://s7.yousendit.com/d.aspx?id=2R83E9CT3B1D73NYBVYDOVDQHX

what is bleach up to? i only read the manga as the anime is ... meh, the series not that good imo. also, fmp :2nd raid is continuation of FMP!, as u prolly know, so u dun reeally need to watch fumoffu to watch it. btw, anime-destiny's version just came out, the usual place (dunno if we're...

oops, it's 50 :p so take away 500, gives you 1235, we all make mistakes ya know :p

uh, what you said seems to make sense, but i'm pretty sure mine gives the right answer at equilibrium, total income = aggragate demand, Y = C + I + G + X - M therefore Y = 20 + 0.8Y + 150 +180 + 35 -38 Y = 0.8Y + 347 0.2Y = 347 Y = 1735