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# Edexcel P2 After-test Discusion watch

1. thx gaz...i got all the same answers that u did...but i think for 4(c) i left it as + or minus 2...will probably lose a mark there...otherwise this was a good paper...
2. (Original post by Asura)
Dang, yeah, for those that got the π.2ln 3, its the same as π.ln 9 (3²)

Edit: also, the transformations - the f(x + 1) moved it 1 to the left, what did the f(|x|) do to it, as it was already a modulus function!
The f(|x|) made everything in the -ve X region reflect in the y-axis. So i got something like this:
Attached Images

3. Yeah I generally thought it was a good paper, much better than the other ones I sat before but could it be that this time i actually revised??? But i cudnt blieve I didnt get that 2nd Log question or the 1st part of the trig question so GUTTED!! I got the rest of the trig. However I didnt get the 2nd bit to the binomial and still dont get it.
4. gaz's answers are 100% right imo...other than the 4(c) + or minus 2 which i can't remember well but thats just 1 mark...the rest of it is fine...
5. Steve I am pretty sure the graph for f(|x|) was like the one below (see attachment)...i.e. a W shape...
Attached Images

6. For the modulus didn't the graph actually make a W shape?
7. (Original post by devesh254)
Steve I am pretty sure the graph for f(|x|) was like the one below (see attachment)...i.e. a W shape...
Mine was like that though i didn't bother labelling 'a'.
8. ah yey a W shape, just like mine

do the P2 raw marks often get moved up much?
9. Bummer!!
10. well i thought that was a lovley exam..... if i have dropped 5 marks in total then i will be very anoyed!
11. im guessing around 88% for an A (don't think it will be lower...infact if anything it will be higher)...which is 66 out of 75 raw marks to get 80 out of 100 UMS marks
12. 66/75 for an A, do you not think that is a little high?

This is maths we are talking about
13. (Original post by Steve8052)
Bummer!!
ahhh dun worry bout it steve...im sure the other bits went fine...this question was only about 2 marks anyway...
14. (Original post by devesh254)
im guessing around 88% for an A (don't think it will be lower...infact if anything it will be higher)...which is 66 out of 75 raw marks to get 80 out of 100 UMS marks
Remember all the single maths people are doing this paper as well It would be a little harsh on them if it was that high.
15. come on sequence mate this wasnt a hard paper...ok maybe im pushing it a bit by saying 66...but 63-64 is probably going to be the lowest possible marker for an A isnt it?
16. doubtful. ida said 60-61 at most.
17. aite....63...i am not going lower than that.....lol
18. Yeh although the paper was easy, 88% just seems a little high for a grade A maths, not everybody doing maths has a passion for it you know

I would have guessed more 61-62 for an A, as there were still quite a few q's that will have caught people(including myself) out
19. 63 it is then :P

Also, if the grade needed for A is anything more than 60/75, surely that means your raw mark actually gets dropped by a couple of marks?
20. (Original post by Gaz031)
Q5(a)(2pi/3)(4+ln3)
(b)2(pi)(ln3).
Shudnt this be 2pi(2 2/3-ln3) = 4 2/3pi - 2pi ln 3.

You got (2pi/3)(4+ln3) = 4 2/3pi - 2/3pi ln 3

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