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# Edexcel C3,C4 June 2013 Thread watch

1. (Original post by Agent006)
Attachment 227049
thanks soo much!
2. (Original post by Agent006)
Attachment 227049
Sorry to ask again, do you have C1, C2, C3 as well?
3. (Original post by urbanamore)
The thing is, although it was really hard and there's a couple of bits I know I got wrong...overall I think I did decent, and if they grade boundaries are low which they should be as everyone seems to have found it impossible, I think I should have actually done okay...
Likewise. I mean I looked at Arsey's solutions and even though I did crap in comparison to past papers, there's still a chance I might get the grade I need
4. (Original post by Serpentine111)
This is exactly what I thought! The questions required more thought and weren't "standard" but I don't understand the "questions not on spec" "impossible" comments. It was OK apart from the tanx question...?
Yeah, apart from the tanx question, I felt the paper was ok....even though I fudged up the functions lol
5. What shape equations to we need to know. Volume/SA of a cone, prism, cube, cylinder and cuboid? Is that all of them?
6. (Original post by Chris-69)
What shape equations to we need to know. Volume/SA of a cone, prism, cube, cylinder and cuboid? Is that all of them?
Would like to know this too

This was posted from The Student Room's iPhone/iPad App

7. Regarding this what someone posted earlier, the integral of e^kx, why is it multiplied by -1/k, I've always just done 1/k?!?!
8. (Original post by Westeros)

Regarding this what someone posted earlier, the integral of e^kx, why is it multiplied by -1/k, I've always just done 1/k?!?!
It must be a typo, it is 1/k. Don't know where they've got -1/k from
9. (Original post by Giant)
It must be a typo, it is 1/k. Don't know where they've got -1/k from
Thank god! I panicked a bit then, thinking I've been doing it wrong What an untrustworthy source!
10. (Original post by Westeros)
Thank god! I panicked a bit then, thinking I've been doing it wrong What an untrustworthy source!
You'd think they would have picked it up when checking for errors, especially considering it's such a vital page for most students
11. (Original post by Giant)
You'd think they would have picked it up when checking for errors, especially considering it's such a vital page for most students
Exactly! Unlucky for some who will just end up memorising that formula sheet without spotting the mistake
12. I'm self teaching C4, anybody got any useful tips?
13. good luck everyone with c4
14. I fear C4 will have no effect on my grade because of the disaster that was C3. Man you can't just lower grade boundaries to fix a paper like that. Whatever you think of it's difficulty I think it was a poorly designed paper; creating a good exam paper that is accessible to a wide range whilst still being able to differentiate between higher able candidates and lesser able candidates is a skill Edexcel haven't mastered it seems. Now we're going to get some squashed, heavily shifted boundaries that will result in people getting grades they don't deserve, be it for better or worse.

Still though, focusing on C4 because I want the moral high ground. I want a really high grade in C4 just so I can at least tell myself that I was capable of getting a good mark in C3. Going well so far! Did the 2011s today. 75/75 in Jan and 70/75 in June. Am achieving quite a stable A* at the moment so am quite ready for the exam I feel. It's mostly the silly mistakes at this point that cost me...
15. (Original post by MedMed12)
UMS doesnt change, raw marks do though so it may not be don't doubt yet, focus hard for c4 and whatever happens happens, but hopefully you'll be happily surprised
Ahh thanks ^^
I'll try my best!
It's just really hard to focus on C4 when I have 3 other exams next week to revise for
I'm sure you'll do well too!
16. Guys do u lot hav a the c3 leaked paper or do u no if it will come out after exams finished or if you have it can u post on tsr please
17. There was nothing awfully hard about this paper tbh yes, i know, it looked nothing like the past papers, but the questions were clearly C3 grade.
18. if any of you guys want a break, take a 5 minute break and check this out, It's hilarious lol

19. (Original post by orange94)
Attachment 227051
Question 4 in excersie 3d part a)

Why do you divide the answer by 2? Cause that's the answer in the book

Posted from TSR Mobile
When you take out the factor of 4 at the beginning you need to bring the power with it so it would be 4^(1/2) which = 2. So the whole thing should be multiplied by 2, not 4

Posted from TSR Mobile
20. Anyone got any good resource with difficult questions? Solomon isn't quite doing it for me.

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