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if the the question asks for the amount of time needed to reach a certain requirement you need to round up. For instance, i'll use loan repayments as an example,if the question asks what is John's monthly repayment required to pay off his loan or something similar you have to round up otherwise...

I got the 3U cambridge and it didnt really help at all + its pretty expensive ($60 at dymocks IIRC) here is the range of difficulty in the cambridge book on a helpful scale of 1-10, 10 being most difficult __________________________ 1 2 3 4 5...

ah... of course! thanks for the all help everyone

just to clarify im not actually italian :P so I have no idea what you just said. I take latin at school and salve is the latin for hello obviously this has remained so in the italian langauge anyway... Latin FTW

how can a given condition have more permutations than without any restrictions? ah.. that' s a good way of thinking about it but what is the flaw in my logic?

2005' s q7 was pretty easy... the geometry one was pretty stock standard and the stationary point q was also relativley easy.. The hardest q 7 i can remember doing is probably 08' s most of it was pretty simple but part e) was just plain stupid... i hope this year' s wont have: i) hard...

The word EQUATION contains all 5 vowels. How many 3 letter "words" consisting of at least 1 vowel and 1 consonant can be made from the letters of EQUATION? okay, my working: 5C1(choosing 1 vowel from 5) x 3C1 (choosing one consonant)x 6C1(the rest) x 3!(no. of combs) =540 and the answers...

well i only said it was kinda of like the chain rule because my idea of the chain rule is d(f(x)^n) = n f(x)^n-1 . f'(x) dx so i guess maybe i should have said this was a different version of the chain rule

Probably going for either a science or an engineering course so mid 90' s would be awesome. How about you? Yeh, Im an accelerant got physics and mx1 hsc in 3 weeks :D 4U is definitely going to be a challenge looking forward to seeing you in the mx2 forums next term :P

I sure am! Why does maths make you depressed ? You' re taking yr 12 a bit too seriously you don' t have to worry so much IMO but to each his own i guess.

it' s kind of like the chain rule: d (sin^-1 f(x)) = 1/(1- f(x)^2)^1/2 x f'(x) dx

I'd say its the only text book you really need since you mainly get practice at questions from trial and HSC papers rather than textbooks. The textbooks are only there to help you get a basic understanding of the topic.

+1 for being bothered to answer so many q' s

For chem its just a matter of rope learning. Just memorize your responses for each syllabus dot point and you'll do fine. It's pretty sad that your knowledge isnt test on your understanding of concepts but rather how well you interpret the question and express your answer. And above all always...

I' ve never seen this terminology before... maybe independant means that they dont intersect and dependant means they do? in that case the only lines that never intersect are parallel lines and therefore -p/q = -r/s for the lines not to intersect part i)

I've never been sure about questions that start with Show/Prove that blah = blah because in some instances you have to expand one side out and make it equal the other side just by using algebra while in other instances you have to use a diagram they've given etc. how do i know which is the case...

consider it like a venn diagram. The P(AUB) is the part where they dont intersect and P(AnB) is where the circles intersect.

Because he's a genious? There's one kid at our school that i know of who has tons of them. He was on the einstein factor as well :P

yeh, his solution was that we should learn it at the beginning of term 4 since year 11' s have to come back

This one get me out of bed in the morning: Life... is like a grapefruit. It's orange and squishy, and has a few pips in it, and some folks have half a one for breakfast. Douglas Adams