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This is what I came up with :) For n=7, k=3, total arrangements is = 1680

Re: MX2 Integration Marathon nice

just work hard, if it comes, it comes :)

(Forgot to add a 'so' after 'can')

Re: MX2 Integration Marathon :p, what's with the decimals lol

Re: MX2 Integration Marathon I remember doing this question in a trial paper :p. I'll post a solution tomorrow if nobody has solved it yet. Hint: Use a trig-substitution

Re: MX2 Integration Marathon Nice work! Here's what I did: Factor x^n from the (1+x^n), then let u=1+1/x^n and it falls out nicely. Nice generalisation aye :D

Re: MX2 Integration Marathon

Re: MX2 Integration Marathon for n>0

well, lets just hope its not probability, otherwise i'd probably be fucked

Wouldn't mind integration or volume, but I think maybe conics because it's getting taken out of the syllabus next year. But yeah, irrationality proving is due.

Was at the international business lecture :)

Re: HSC 2014 4U Marathon

Re: HSC 2013 3U Marathon Thread Harder 2u :p

Oh, it was held at Da La Salle College.

Psyched :)

Also, during reading time, try to get a brief idea of the circle geometry question. As soon as the exam commences, write a note next to the question. Believe it or not, it helps, especially if your running out of time and feeling flustered, since circle geometry questions tend to appear towards...

It was a interactive MX2 day for catholic schools in the southern region lol. Revesby is right next to Bankstown.

The day was predominantly focused upon harder extension 1. However, there was a survey done to see what students wanted, and the 3 topics chosen were curve sketching (really surprising), mechanics and volumes. As for what we received on the day; a whole collection of questions, advice, scaling...

Out of curiosity, who from BOS attended and how did you find the overall day?