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Hi, I have been writing solutions to the book Extension 2- Unit 4 by Coroneos. What a great book! However, I have come across a '*' notation many times. What exactly does Jim Coroneos mean by this? See diagram below. He tends to use it for distances as well as sizes. Is there a 'definite'...

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Any links as to where one can download the paper. The BOS haven't posted it yet.

I came across this problem from the Cambridge Ex 2 book, the Mechanics section. Part (d) has me scratching my head. Obviously \alpha cannot be 1. This results in an improper integral. From part (c) \begin{align*} \dot{y}^2 &= \frac{3g(3 - 2y)}{3 + 2y} \,\,\, \text{which simplifies to }...

Hi all, I really 'enjoy' (if that's the right word) analyzing the Mathematics syllabi of Unit 3/4 mathematics of the 1970s/1980s. I was wondering what text books were using for unit 3/4 during this period. I know in Victoria, at year 12 level, Fitzpatrick & Gailbraith used Purer and Applied...

Hi all, I believe Conics was a topic in Extension 2 a while ago. I was just wondering if anyone had any old PDFs of Extension 2 text books that covered this topic. It more just form my personal interest that anything else. I wold really like to know how it was covered. Thanks

Hi all, Excuse my ignorance since I do not live in NSW. Are permutations and combinations taught at stage 6 level? Thanks in advance.

Hi all, This question comes from Cambridge Chapter 3(C) Q15. a) Show that every root of the equation is imaginary for (1+z)^{2n} + (1-z)^{2n} =0 b) Let the roots be represented by the points P_1, P_2, P_3, ... ,P_{2n} in the Argand diagram, and let O be the origin. Show that: OP^2_1 +...

Hi all, I'm from Victoria, so I am unfamiliar with Mathematics course at year 12 level in NSW. If a student wishes to do a full complement of mathematics at year 12, what mathematics courses do they choose? Thanks in advance