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No offense, but they're really easy topics. They're 2U topics that are usually asked in Q1 of the 2U paper. Any good book should suffice.

You can rep me if you want I don't really need/care about it, as you can see :P In (1)(ii)(b) you can also use 5C3 instead of 5C2, but it's the same thing really. ie. arranging 5 prizes into groups of 3 or 2 prizes respectively.

(p, q) = (1, 2). BTW, where's this question from? EDIT: I've attached my solution. Where's it from though? I recall seeing it somewhere...

I've done all questions. All the answers you had provided seemed correct. BTW, I really liked these questions :D

Yeah as the course name suggests, 3U is an "extension" of 2U work. Eg. In Year 11 trig, 3U students also do 't results' and 'general solutions'.

Yeah sorry it's late.

The 4U way would be to use the substitution x=sinθ or something.

Consider the 3 men as a unit. This is done in 3! ways. This leaves (9-3)+1=7 people units. \therefore \text{ Prob.} = \frac{7! \times 3!}{9!}=\frac{1}{12} I'll do the rest tomorrow. I need some sleep...

What topics are they?

I had the same problem -_-;

Usually 3U students dominate the 2U cohort. It's because they're exposed to harder things and have many tricks and trades up their sleeve.

Yeah my bad. I need to learn to RTQ lol.

Nope. But once you know your stuff they're pretty much the same thing asked 3 different ways whereas with Maths they can turn stuff around more significantly. I think I've got around 20 which have been scanned in good quality that aren't on here... Hmm I might upload them if I can find them.

All Band 6's.

Bankstown TAFE I believe. My teacher knows Margaret Grove personally. As for the book... I think the questions are alright for curve sketching and for what Trebla said. But it's theory isn't very good (in my opinion) and doesn't cover every aspect of the 2U/3U courses in great detail. This is...

There's a horiz. asymptote at y=1. Vertical asymptotes are at x=1 and x=-1 To find stat points find y' and solve y'=0. (I'd do this) I'm not sure that it'd have inflexions, but to find them you firstly find y'' and solve y''=0 and check for concacity changes. (I wouldn't do this, unless...

A group of 7 boys and 5 girls go to watch a movie together. (i) In how many ways can they sit in a row if the boys sit together and the girls sit together? (ii) In how many ways can they sit together in a row if no two girls are to sit together? (iii) After the movie the group of...

I did... and I can't get the answer (which is 37/90). I get 7/20 :S EDIT: I got the answer. Stupid calculator error -_-; Thanks alot! :D

Hi, Also could you find the prob if, one is a boy and one a girl? Thanks