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Edexcel C2 20th May 2015 *Official Thread* watch

1. (Original post by zaini101)
Help plzzzz
What do you mean?
2. why is everyone worrying what paper we'll get
its a C2 paper, itll have stuff thats in the spec
if you know your stuff, you should be fine, dont worry
i swear, some people chat a load of bull crap on this thread
3. (Original post by mrnazz00923)
Yeah Attachment 402989
Also it's unlikely to come up by the volume of a sphere is 4/3*pi*r^3 and the surface area is 4*pi*r^2
Guys, should I do the rest of the Solomon papers I haven't done or do the R/IAL c2 papers? Which is harder?
Which is likely to expose you to an different way of asking a question than in past UK papers but is on the mind of current edexcel examiners?
R and IAL

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5. (Original post by LearningGeek)
why is everyone worrying what paper we'll get
its a C2 paper, itll have stuff thats in the spec
if you know your stuff, you should be fine, dont worry
i swear, some people chat a load of bull crap on this thread
The spec is very generalised, they can ask the questions in lots of different ways including ones that you've never seen before..
6. Is it just me or are the reserved papers harder than the standard papers?
7. (Original post by NickLCFC)
Can someone explain how you do question 4b)

https://b940eb267c31463d4d23ccfd3105...%20Edexcel.pdf

8. (Original post by NickLCFC)
The spec is very generalised, they can ask the questions in lots of different ways including ones that you've never seen before..
i knoww, but once you figure out what its asking you, its always something to do with c2 or prior knowledge
9. (Original post by Achint10)
Yes, please explain how you got it :P
10. C1 was very straightforward yet a lot of people found it challenging because of the way it was set up.

C2 is going to be a huge *****, but let's hope for easy, time-saving marks throughout...
11. Are the R papers always supposed to be more difficult?
Like I know its still stuff from the spec but I've heard its harder than the normal papers
12. (Original post by LearningGeek)
i knoww, but once you figure out what its asking you, its always something to do with c2 or prior knowledge
Dude shutup everyone has their weaknesses and it's a stressful time
13. (Original post by NickLCFC)
Also it's unlikely to come up by the volume of a sphere is 4/3*pi*r^3 and the surface area is 4*pi*r^2
That's in the formula booklet, under the C1 page
14. (Original post by mursalxxo)
Are the R papers always supposed to be more difficult?
Like I know its still stuff from the spec but I've heard its harder than the normal papers
(Original post by fire_and_ice)
Is it just me or are the reserved papers harder than the standard papers?
Yes. 2013 was an example where a lot of people suffered from having to sit the R papers.
15. Do people really think it will be harder than the June 2014 paper. I certainly doubt it
16. (Original post by particlestudent)
Do people really think it will be harder than the June 2014 paper. I certainly doubt it
I do

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17. (Original post by mursalxxo)
Are the R papers always supposed to be more difficult?
Like I know its still stuff from the spec but I've heard its harder than the normal papers
Yep
18. (Original post by NickLCFC)
Yes, please explain how you got it :P
cool

when it says independent of 'x' it means there basically should be no 'x' term, i.e. it should be x^0

so you need to find the point of expansion where the 'x' term and the 'k/x^2' term cancel each other.
this happens when 'n' = 5.
so you get: (15C5)(x)^15-5(k/x^2)^5
--> (3003)(x^10)(k^5/x^10)
the x's cancel eachother out
k = 2, from part a)
2^5 * 3003 = 96096
19. I'm nervous. I'm going to sleep early tonight after chilling out a little, wake up at 5 and do some last minute questions (not a full paper). Target areas: learning volumes/SAs of shapes, transformations of sine/cosine graph & practise applications of differentiation.

Good luck guys. May the odds be ever in your favour
I'm nervous. I'm going to sleep early tonight after chilling out a little, wake up at 5 and do some last minute questions (not a full paper). Target areas: learning volumes/SAs of shapes, transformations of sine/cosine graph & practise applications of differentiation.

Good luck guys. May the odds be ever in your favour
There is no transformations of graphs on c2

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