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# Mega A Level Maths Thread MK II watch

1. (Original post by reubenkinara)
Tigerz may not be human though... I'll leave it at that.
Just a quick Q. is there a general formula for calculating the sum of series with exponents, like ?
LOOL, exactly
(Original post by Felix Felicis)
You don't need induction for the problem

Spoiler:
Show
Let

If is even, let

which is the sum of two squares.

Consider if n is odd:

and as is odd, is even, so is the sum of two perfect squares, thus can be expressed as the sum of two perfect squares
Ahhh, thank you :P I did say if I can do it by makes all evens equal 2n and all odds equal 2n+1, but the odds may have failed, I get how to do it now though, thank you!!

(Original post by Robbie242)
Oh cool! I heard edexcel is quite different, with OCR with have a range of comment questions (i.e. depends on the size of the cut in tax, when its cut etc, An 18 mark essay at the end and a few easy definitions/explain questions.

E.g. the essay I got was. Discuss whether a high exchange rate will always reduce the inflation rate, kinda horrible if you don't like exports/imports but I think I did well :P.

Ahah 69 ums

Yeah I was shocked tbh, well that is definitely good that you've probably recovered it to an A, hopefully you'll get that in August. Where are you actually applying next year / in 2 years or whatever ? Since you seem to like maths a lot
OOH that's a really good 18 marker to get! Would of loved it :')
So I got 69 UMS in economics and potentially 69 raw marks in maths >.< seriously, my UMS scores may be half-arsed bull-**** but they're quite unique and special!

Haha yup Maths and Economics are my fave, dropping Psychology hopefully I can get 3 A's for A levels
Uhm I don't know exactly yet, going for Maths+Econ/ Maths+ Stats, and potentially Actuarial Science I'm gonna look properly and decide after exams but my list consists of LSE, City, UCL, KCL and QMUL as back up (Haha all the names are so similar, apart from City )
2. (Original post by tigerz)
OOH that's a really good 18 marker to get! Would of loved it :')
So I got 69 UMS in economics and potentially 69 raw marks in maths >.< seriously, my UMS scores may be half-arsed bull-**** but they're quite unique and special!

Haha yup Maths and Economics are my fave, dropping Psychology hopefully I can get 3 A's for A levels
Uhm I don't know exactly yet, going for Maths+Econ/ Maths+ Stats, and potentially Actuarial Science I'm gonna look properly and decide after exams but my list consists of LSE, City, UCL, KCL and QMUL as back up (Haha all the names are so similar, apart from City )
That's alright, 69 UMS is a special case so I won't consider that to be half-arsed bull****
3. (Original post by MathsNerd1)
Fair enough then, I would love to travel abroad and see how the curriculum would differ, also if I just stayed in Canada I'm curious to see if it would be anymore rigorous than the UK's.
What's the hardest Alevel maths module you've done? I mean the one you found the hardest at the time.
4. (Original post by L'Evil Fish)

What if she is that good?
Yeah but LotF is probably IMO standard tbh

I'd personally think her meeting LotF and getting the smugness wiped off her face would be 10x more satisfying
5. (Original post by reubenkinara)
What's the hardest Alevel maths module you've done? I mean the one you found the hardest at the time.
C1
6. (Original post by AmirHabeeb)
What's wrong with it? I just did it and got the same. Post up your method and I can see where you've gone wrong.
ahhh I was using the coefficient of resitution for the previous part not the new part IDIOT thanks!
7. (Original post by justinawe)
C1
So much arithmetic
8. (Original post by justinawe)
C1
Oh yes. Was that the 95?
9. (Original post by Felix Felicis)
So much arithmetic
Makes my brain hurt
10. (Original post by justinawe)
That's alright, 69 UMS is a special case so I won't consider that to be half-arsed bull****
LOOL, I have special UMS/Raw scores
I need to avoid getting myself into maths questions I can't solve today :P

I agree C1 is the most annoying one >.<
11. (Original post by reubenkinara)
Oh yes. Was that the 95?
Sure was
12. (Original post by reubenkinara)
What's the hardest Alevel maths module you've done? I mean the one you found the hardest at the time.
Its my nationality and where I used to live. And out of all the ones I'm doing and have done I'd probably say M2 as sometimes I can't understand what the question is asking for in my head, once I have its pretty simple but I never have that problem with C3, C4 and FP2 so yeah but that's just my opinion and I know that in fact FP2 is meant to be deemed harder than M2. How about you?
13. (Original post by tigerz)
LOOL, exactly

Ahhh, thank you :P I did say if I can do it by makes all evens equal 2n and all odds equal 2n+1, but the odds may have failed, I get how to do it now though, thank you!!

OOH that's a really good 18 marker to get! Would of loved it :')
So I got 69 UMS in economics and potentially 69 raw marks in maths >.< seriously, my UMS scores may be half-arsed bull-**** but they're quite unique and special!

Haha yup Maths and Economics are my fave, dropping Psychology hopefully I can get 3 A's for A levels
Uhm I don't know exactly yet, going for Maths+Econ/ Maths+ Stats, and potentially Actuarial Science I'm gonna look properly and decide after exams but my list consists of LSE, City, UCL, KCL and QMUL as back up (Haha all the names are so similar, apart from City )

Yup but when I printed it out (I do my exams apart from maths on computer ) I had this massive block of text on my main argument, I also said that if there was a high exchange rate their could be lower demand for exports, and therefore lower demand for jobs and more unemployment as the circular flow of income has being affected by exchange rates (injections/withdrawals) then this would lead to unemployment which would lead to perhaps a higher payment of benefits which would lead to more government spending increasing inflation and perhaps a higher multiplier effect . Loved every second of it

Same here!, well maths, fm and econ all are my subjects next year, history can go die in a hole. Seriously the amount of content is mind boggling . Was the 69/75 in C2 perhaps? I am sure you'll still break 90 (most likely)

I am sure that you will get 3A's

Awesome choices your throwing around there, I was also considering maths+econ at some point, but if I did my PS would probably be weaker, and I'd have less interest in the course so its good that I changed to pure maths .

I do want to specialise in stats though at university, want to work in some sort of business using complex maths .

Very nice choices!, all in London as far as I know ? :P I'm from London and I want to gtfo immediately, I've being here all my life and its just boring now, so hence my uni choices are thus far. Cambridge, Bristol, Exeter, Warwick and one other. But I hope you get into the uni you want, noticed that pretty much all of your unis apart from city have and L in them . Sorry for the wall of text xP
14. (Original post by MathsNerd1)
Its my nationality and where I used to live. And out of all the ones I'm doing and have done I'd probably say M2 as sometimes I can't understand what the question is asking for in my head, once I have its pretty simple but I never have that problem with C3, C4 and FP2 so yeah but that's just my opinion and I know that in fact FP2 is meant to be deemed harder than M2. How about you?
When I did it last year, probably M1.
15. (Original post by MathsNerd1)
Its my nationality and where I used to live. And out of all the ones I'm doing and have done I'd probably say M2 as sometimes I can't understand what the question is asking for in my head, once I have its pretty simple but I never have that problem with C3, C4 and FP2 so yeah but that's just my opinion and I know that in fact FP2 is meant to be deemed harder than M2. How about you?

Spoiler:
Show

Sorry, just couldn't resist
16. (Original post by Felix Felicis)
So much arithmetic
But you just got to love that for the Module you actually have to use your brain to work out the sums whereas in all the rest you've got a calculator to help aid you
17. (Original post by reubenkinara)
When I did it last year, probably M1.
Fair enough and to be honest M2 isn't any harder than what M1 is like, I just like to understand the question before attempting it.
18. (Original post by justinawe)
Sure was
I reassure you
With regard to your application for maths, I know we've realised that Cambridge interviews abroad but have you made enquirees about other UK institutions that you'll be applying to, for maths?
19. (Original post by justinawe)

Spoiler:
Show

Sorry, just couldn't resist
It's alright I'm also part Northern Irish as my mother is Canadian but my father is Northern Irish so I can have the luxury of two passports to get around the horrific international fees
20. (Original post by MathsNerd1)
Fair enough and to be honest M2 isn't any harder than what M1 is like, I just like to understand the question before attempting it.
I have an M2 and Fp1 book which I'll be self-studying over summer along with an easy module. Have no idea what that easy module will be though as the maths department haven't made up their minds how they are doing FM next year and what modules they'll offer.

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