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How much of a discount would you get if you sign up with a group of people? I only know one other person who might want to sit the UMAT. Wouldn't it be a good idea if all the people in the forum wanting to go to Medentry can go as a group so we can all benefit from the savings?

√(9-x^2) =/= 3-x because 9 - x^2 =/= (3-x)^2 The square root of a difference and the difference between square roots are not interchangeable. You cannot rewrite √(a - b) as √a - √b. For that particular question, remember that V = pi * int y^2 dx [lim: a-->b] There is no need to square...

I notice a lot of questions on conics and polynomials being asked around here so I'm assuming some school are currently doing these topics, which makes me a bit concerned about the rate at which my school is teaching the course, despite our teacher's constant reassurances. I've also heard from...

Shush kony. :P BUT, ah ha! Ugly simultaneous equation. Calculus wins. So Dongle are you doing your 2U maths HSC a year early?

Thanks for the suggestions. I'll try Fitzpat and those 4U ones. I've just looked through the past Ext-1 papers from 1994-2003 but I couldn't find any - I must be going blind or something.. haque: I'm very envious of your Bsc(Adv)/MBBS at USyd. Congrats, mate.

A friend of mine recently showed me some questions she got from her tutoring college on proof by mathematical induction that involved trigonometric terms. I've never seen this type of questions before in any of my text books (Cambridge & Margret Grove, both Yrs 11 & 12) but according to my...

For f(x) = a*(x + b)^2 - 8 to have a tangent y = 2x at (4,8) two conditions have to be met: 1. f(4) = 8 [the parabola passes through (4,8)] 2. f'(4) = 2 [the tangent of the parabola at (4,8) is 2] To satisfy condition 1, a*(4 + b)^2 - 8 = 8 a*(4 + b)^2 = 16 -- eq.1 To satisfy...

That is the only significant sentence in the whole question. Don't let the rest confuse you. Now you should be able to do this by yourself.

8pi/7 is in the third quadrant hence sin(8pi/7) has the negative value of the sine of related angle pi/7.

When I first read that other post, I thought the same thing that Bringbackshred did - that the person had a mark, not rank, of 45/45 for Ext-2 Maths. Could it be possible that perhaps he/she had meant they are in the top 5% of the course and we have simply misinterpreted? I agree with...

General rules: Stationary points exist at the co-ordinates for which f'(x) = 0 (here the tangent is horizontal). Let's assume a stationary point occurs at x=a. Finding f(a) will give you the corresponding y co-ordinate. Often you will need to determine the nature of these points to assist the...

This makes me wonder, so is everybody is doing extraordinarily well, or is it that only those who are dare to announce their results. Congrats to everyone for their achievements. I just saw this: Just a pointer here, we Ext-2 Maths folks are only excluded from the internal ranks for the...

3375k = 6.75 - 3 = 3.75 k = 900 That could be why you got such a strange cubic in the end.

Adv English: 9.5/10 Rank 3/90-some Ext-1 English: N/A Ext-2 English: N/A Maths: 36/36 Rank 1/74 Ext-1 Maths: 34/36 Rank 2/56 Ext-2 Maths: 36/45 Rank 5/24 Biology: 33/35 Rank 2/45 Chemistry: 56/61 Rank 5/54 Glad to see that everyone has done well. Shall try to steal more aces and move...

Currently mine stands as PHILOSOPHI. I do intend on personally completing it by stitching (or iron on, depends) an E at the end and MY in the front so it can say MY PHILOSOPHIE - silly character restrictions. :P Haha, that's not a bad idea actually.

I joined BOS some time last year but have only just began participating in forum discussions a couple of weeks ago. Greetings to all fellow classmates of '07.

Perhaps we should..

Too right there. Except maybe you wouldn't want to do that for 7000% the price yet maybe 0.5% the fuel efficiency compared to standard unleaded petrol w/w.

That was an interesting read. Thanks for sharing.

For Ext-1 my school is uses Maths In Focus as the main text book but we are also given Coroneos for personal reference. I use Cambridge 3U privately. MIF is one of the weakest maths text books in many areas, but it does provide more approachable explanations (thus the sacrifice of deeper...