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# AQA A2 Mathematics Pure Core 4 MPC4 - 17th June 2016 Watch

1. (Original post by wonderland2)
Anyone know if the UMS needed for an A* needs to be 90% in C3 and separately 90% in C4 or can it be a combined total of the two?
Combined total of the two. What does everyone reckon full UMS would be for this paper? Lots of silly mistakes
2. (Original post by wonderland2)
Anyone know if the UMS needed for an A* needs to be 90% in C3 and separately 90% in C4 or can it be a combined total of the two?
Combined total
3. (Original post by Yo12345)
y = e / (2(1-x)^1/2(1-ln(2(1-x)^1/2))) ?
yep, I got it in a scummy way, hopefully the examiner sees my final answer and just presumes that i'm a genius and found it in my head, even though I essentially guessed what it was with some bs working
4. (Original post by SunDun111)
what was the binomial expanasion answer i got a really messy one ayone else?
I got something like 2+11x-2x^2
5. (Original post by wonderland2)
Anyone know if the UMS needed for an A* needs to be 90% in C3 and separately 90% in C4 or can it be a combined total of the two?
Im pretty sure it is combined
6. just realised i left 0 and 360 in for the trig 5 marker but the range was 0<x<360 lol
7. (Original post by MrMagic12345)
I got something like 2+11x-2x^2
Eh i must of done it completley wrong? i got loads of fractions?
8. Eh think I finished maths on a B, needed an A, rip <.<
9. (Original post by Yo12345)
k was 2 right? For the d theta/dx question?
I got k=2! But some people I know got k=6 :/
10. (Original post by wonderland2)
Anyone know if the UMS needed for an A* needs to be 90% in C3 and separately 90% in C4 or can it be a combined total of the two?
It's the combined total! :-)
11. (Original post by SunDun111)
Eh i must of done it completley wrong? i got loads of fractions?
Did you get a and b in part before as like 5/2, and 9/2 (one of them was minus but can't remember which)?
12. (Original post by maisym00)
I got this too
is that the same as y=e/(x-1)^0.5(1-ln(4-4x))
13. (Original post by milemed11)
just realised i left 0 and 360 in for the trig 5 marker but the range was 0<x<360 lol
Usually they just ignore extra ones not in the range, but I'm wondering if they were being sneaky here.
14. (Original post by maisym00)
Uuurgh so annoyed core 3 went really well for me but this didn't. Hope my core 3 ums brings me up to A* :/ For the integration question I got 9/2ln3 -69/2, but this comes up as a negative number.. Have I done it wrong?
It didn't ask for area, so you're fine
15. (Original post by MrMagic12345)
Did you get a and b in part before as like 5/2, and 9/2 (one of them was minus but can't remember which)?
yeahh then i got -1 + something -22/3x^2
16. (Original post by WillTwigger)
is that the same as y=e/(x-1)^0.5(1-ln(4-4x))
It wanted it in the form of e/ ( f(x) ln (f(x)) or similar, so the f(x) had to be the same.
17. (Original post by Deanjones96)
I got that too because I stupidly took the 12e^-2 to the top instead of leaving the 12 on the bottom -.-
yeah that's what I did, I assumed 1/e^-2 = e^2 lol how many marks do you think we lost for that?
18. (Original post by asdgsgh)
yeah that's what I did, I assumed 1/e^-2 = e^2 lol how many marks do you think we lost for that?
Probably two - a method mark and an accuracy mark🙄
19. (Original post by milemed11)
just realised i left 0 and 360 in for the trig 5 marker but the range was 0<x<360 lol
You and me both hopefully wont get penalised too heavily though
20. (Original post by wonderland2)
Anyone know if the UMS needed for an A* needs to be 90% in C3 and separately 90% in C4 or can it be a combined total of the two?
it's the average of the two, for instance 85 in c3 and 95 in c4 would still get you an A*

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