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# Edexcel Core 3 - 21st June 2016 AM watch

1. Anyone else find this harder than June 2013?

100 UMS - 68
90UMS - 62
80UMS - 57
3. (Original post by KellyLouise0)
anyone remember the number of marks for the proof of root in the interval question? (last part of Q4, i think)
I ****ed up, couldn't find a sign change any marks for just stating the interval to be used at all?
2 marks
4. How many marks do question 2b 1b and 6b worth? Xx

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5. (Original post by 13 1 20 8 42)
judging by poll results (didn't sit paper) that could well be over 90
I really hope your right ... But I just can't see it. I think people are just a bit fired up as the exam has just happened. I thought it was hard while doing it, but looking back on it now I think it was just a standard paper.

62 - A
6. Just ignore him, he's a troll lol

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7. (Original post by particlestudent)
How did that iteration question work? I kept getting two positive values
If you made g(x) = Modulus(4e^2x - 25) and g(x) = 2x+43 equal each other, arrange the equation to equal zero then subbed in the two values you got one positive and one negative. But it's annoying because that's not what we're used to and obscure to find out how to do. Really 'last resort' type of paper, so dead.
8. (Original post by eyeman567)
just stfu 64 for an A, you're saying this has been the easiest paper since 2012??
Easier than '12
9. All these people saying mid 60's for an A are just trolling, I would have thought that they would be roughly 59/60 for an A as it was as hard as last years paper in my opinion and if lots of people ****ed it up then Edexcel will have to alter the grade boundaries to ensure the same percentage of people getting grades as previous years.
10. Anyone know if Arsey's going to post?
11. Does anyone have the marks for each question?
Anyone know if Arsey's going to post?
Nope, he doesn't do them anymore!
For 7b if I left my answer as sin(-pi/3) -1 which is the same answer as your value for x would I still get full marks?
I believe I've put that as the answer as well. Do quote me if someone has answered your query as I don't have the time to look through every page. Thanks in advance.
14. How many marks was Question 2 part b, the show in pcosec(qp) question and Q9 last part?
15. (Original post by countduckula1906)
aCosec(by) ?

I got a=1/2 and b=4
I agree with you on this one
16. (Original post by Pablo Picasso)
Easier than '12
76 - A*
17. Does anyone know how many marks each question were worth?
18. (Original post by hello2you)
How many marks was 3.c)??
It was 2 marks? Do you know the marks to any of the other questions?
19. (Original post by fishs003)
Nope, he doesn't do them anymore!
What, you're kidding!? Can't believe he's abandoned us...Do you know if someone other than Arsey posts their answers?
20. (Original post by crazymonkey007)
How did people prove the trig question? Number 8
2cot(2x) + tan(x) = 2cos(2x)/sin(2x) + sin(x)/cos(x), use the double angle formula, put into 1 fraction, the rest drops out nicely

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