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# AEA Prep Thread - 25th June 2015 (Edexcel) watch

1. (Original post by physicsmaths)
Which prt are you struggling on?

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Part a
2. (Original post by xyzmaster)
Part a
Ok, ill do it now.

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3. (Original post by xyzmaster)
Part a
I will do it tmmrw as I have been busy with some other work. Just remind me again Ill do it. But glancing at it try to look at some factoring of 2^r and r! As that is what these types usually require.

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4. (Original post by xyzmaster)
Part a

Looked interesting so why not!

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5. (Original post by physicsmaths)

Looked interesting so why not!

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Thank you for your help. But I was wondering if you could explain the fourth line of working. How does r! Become squared and 2^r added to it ?
6. (Original post by xyzmaster)
Thank you for your help. But I was wondering if you could explain the fourth line of working. How does r! Become squared and 2^r added to it ?
Well i noted the result i want to prove below so i know what im aiming for. I was missing a 2^r at the bottom so i multiplied top and bottom by 2^r. And notice how the required result is (2r r)= 2r!/(r!)^2
So at the top all the even terms are missing which are 2x4........2r-2x2r factoring 2^r out of this and we get 2^r(r!)(3x5x7..........2r-1)= 2r!since i want 2r! At the top i now multiply top and bottom by r! To give the desired result.

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7. (Original post by physicsmaths)
Well i noted the result i want to prove below so i know what im aiming for. I was missing a 2^r at the bottom so i multiplied top and bottom by 2^r. And notice how the required result is (2r r)= 2r!/(r!)^2
So at the top all the even terms are missing which are 2x4........2r-2x2r factoring 2^r out of this and we get 2^r(r!)(3x5x7..........2r-1)= 2r!since i want 2r! At the top i now multiply top and bottom by r! To give the desired result.

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Thank you so much for your help
8. (Original post by xyzmaster)
Thank you so much for your help
No problem. Helps my revision too. Very manipulaive question though.

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9. Hey guys,

I'm currently doing Maths, Further Maths and Physics. I'm looking to pick up AEA and start revising for it asap. If I did do this, I would have about 1-2 hours a day for AEA revision and 3 days before the exam. Do you think it's possible to obtain a Merit with such a short amount of time?
10. (Original post by MohinxP)
Hey guys,

I'm currently doing Maths, Further Maths and Physics. I'm looking to pick up AEA and start revising for it asap. If I did do this, I would have about 1-2 hours a day for AEA revision and 3 days before the exam. Do you think it's possible to obtain a Merit with such a short amount of time?
AEA isn't about revision, since it involves only C1 - 4, which you are presumably comfortable with since you are doing FM. What it does require is some practice at the sort of questions they ask.

A useful resource, with extended solutions is here:
http://www2.warwick.ac.uk/fac/sci/st...cs/courses/aea
11. (Original post by Krollo)
Do you think there's much point doing AEA in Y12 if I'm already doing STEP 1, in terms of offers? I'm not sure if it's worth the extra prep tbh

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not really extra prep, unless you are referring to doing some more papers
12. (Original post by lyddsssss)
Does anyone know where you can find the grade boundaries for each paper?
here it is
Attached Images
13. AEA, GRADE BOUNDARIES, 2002-2014.pdf (12.1 KB, 515 views)
14. (Original post by MohinxP)
Hey guys,

I'm currently doing Maths, Further Maths and Physics. I'm looking to pick up AEA and start revising for it asap. If I did do this, I would have about 1-2 hours a day for AEA revision and 3 days before the exam. Do you think it's possible to obtain a Merit with such a short amount of time?
depends on your ability and your depth of understanding of the core units C1 - C4
15. To restate my question - is there point sitting the AEA exam if I'm already doing STEP 1 in year 12? I think not, but I was wondering what you thought...

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16. Could you guys provide some revision materials please? Atm I have the link from tiny hobbit (warwick extended solutions) and all of the past papers. Is there anything else that would be useful?
17. (Original post by MohinxP)
Could you guys provide some revision materials please? Atm I have the link from tiny hobbit (warwick extended solutions) and all of the past papers. Is there anything else that would be useful?
step papers (core questions only)

booklets on the relevant topics from my site that are rated (****)
18. Thanks!

I've been told by one of my friends that took AEA last year that I may need to know things such as number theory (Sn = 1+2+3+4+... = -1/12) etc.

I was wondering whether this is true or not and if so, how many other things I would need to know that are not on the syllabus?

Also, I am on your website now. Will I be needing the majority of the standard topic booklets if not all?
19. (Original post by MohinxP)
Thanks!

I've been told by one of my friends that took AEA last year that I may need to know things such as number theory (Sn = 1+2+3+4+... = -1/12) etc.

I was wondering whether this is true or not and if so, how many other things I would need to know that are not on the syllabus?

Also, I am on your website now. Will I be needing the majority of the standard topic booklets if not all?
you might want to look at the end of these booklets

FUNCTIONS

EXPONENTIALS

TRIGONOMETRY

INVERSE TRIGONOMETRIC FUNCTIONS

DIFFERENTIATION

MODULUS

NUMERICAL SOLUTIONS OF EQUATIONS

BINOMIAL EXPANSIONS

IMPLICIT EQUATIONS

RELATED RATES OF CHANGE

PARAMETRIC EQUATIONS (no integration here)

INTEGRATION

PARAMETRIC INTEGRATION

VOLUME OF REVOLUTION

DIFFERENTIAL EQUATIONS

VECTORS
20. (Original post by MohinxP)
Thanks!

I've been told by one of my friends that took AEA last year that I may need to know things such as number theory (Sn = 1+2+3+4+... = -1/12) etc.

I was wondering whether this is true or not and if so, how many other things I would need to know that are not on the syllabus?

Also, I am on your website now. Will I be needing the majority of the standard topic booklets if not all?
I do not think you need to know anything extra...
21. hi I'm just a bit stuck on understanding the June 2008 aea question 7b on angle bisectors. I tried to use the angle bisector theorem but that didn't lead me to the right answer so could anyone point out where I went wrong. I used the able bisector theorem on CA giving me 2/5CA + OC giving X . Then I subtracted OB from OX but somehow it wasn't right could anyone help?

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