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# Edexcel A2 C4 Mathematics June 2015 - Official Thread watch

1. (Original post by Emmi12345)
Am I the only one... who thought it was alright?
I sincerely hope that you represent the minority, but I am getting the sneaky suspicion this was an "ok paper"
2. (Original post by rory58824)
You probably used 4000 instead of 4 (P was in thousands)
Dam...That's what I thought
3. Did anyone get like 105 for the length? And 30 something for the angle?
4. (Original post by anndz3007)
for the ln2 question, did anyone get 32(ln2 square)-32ln2+12 ??
Yeah~
5. (160(ln3)^2pi-27pi)/ln3 anyone please!!!! for the last q
6. Please cast a vote at
http://www.thestudentroom.co.uk/show....php?t=3407637
7. Unofficial markscheme?
8. (Original post by anndz3007)
for the ln2 question, did anyone get 32(ln2 square)-32ln2+12 ??
YES!! but I was really unsure whether the ^2 could be brought down so I did 2 sets of working and answers.
9. (Original post by DomRauba)
(160(ln3)^2pi-27pi)/ln3 anyone please!!!! for the last q
Sorry,
13pi/ln(3)
10. So lucky i put P=4000 and found the answer tooweird, so i crossed out and put P=4 yayyyyy
11. (Original post by Ripper Phoenix)
used radians got 0.2 something sounds logical tho! 0.2 years thats like a few months perfect
I got 0.473
12. Dont think you'll be getting any quotes bruh
13. (Original post by DomRauba)
(160(ln3)^2pi-27pi)/ln3 anyone please!!!! for the last q
It is 13pi/ln3
14. Arsey we need you now more than ever
15. (Original post by bwr19)
Yes!
was it not 16?
16. 7.something for the vector distance ?

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17. (Original post by ninetail9990)
its 2. while mutiplying 4 and 4 cancel out
I got k=4

I'm not sure what you mean by 4 and 4 cancelling out. I got y=2cos(theta) and dx/dtheta = 2cos(theta) so they mutliplied to give 4cos^2(theta)
18. (Original post by skywalker12)
Did anyone get like 105 for the length? And 30 something for the angle?
yeah for the angle got a much lower number for the length, like 6 point something maybe
19. (Original post by cfcdrog)
I think it was x^2 +2x-5 all over x-3...anyone got that?
Yup. You had to combine the fraction and the x+5 or something or other.
20. What was p/q for the first answer

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