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Edexcel C2 20th May 2015 *Official Thread*

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Original post by frances98
That's what I tried to do

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Yes, took a long time trying to do it but more precise. Like got a quadratic and a linear equation and then factorise that quadratic again. The division went wrong somehow with me so I had to cross it.
Original post by 12345678zzz
that's not a heavy question so I think you'll be fine :smile:



don't think it matters :wink:


Have you checked the answer for the cost in the last question? Some of my friends were getting 200 and something, so I wasn't sure if I'd done it in radian mode or something.
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RBoss
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Original post by Jonnyss
Guys listen.

For the tan question, I got twice as many solutions because square root of tan gives positive and negative values. Any thoughts?


The range was from 0=x<360...
Original post by joe1545
Any estimations for grade boundaries???


10/75 for an A after seeing that paper


Posted from BEHIND YOU
how you feeling now?
Original post by prepdream
Hm may be because they said "fully factories". Fully. Like no more chance to factories anything in the bracket I guess.
But it's fine in general. Worse case is that we lost around 1 or 2 UMS :biggrin:


Oh yea... 1 ums isn't too bad
Original post by frozo123
did you get 1/3 and 3/2 for y in the logs question?


I did.
image.jpgI'll post this solution to writing cos(x) in terms of k again so everyone can see
C1 & C2 have been pretty hard this year, FP1 was easier imo


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Based on the account's name and the fact they 'know' they got 100%, I'm guessing it's a troll .
Original post by frozo123
did you get 1/3 and 3/2 for y in the logs question?


Yep :smile:
Messed up BIG time, missed a Q cuz my paper was stuck together ffs


Posted from BEHIND YOU
What did everyone get for the last question on the back page of the paper? I got 10
Original post by prepdream
Same. Just that I didn't take 3 put of the bracket. Feeling regret a little bit now :frown:


I think I left it as the difference of squares
(x√3+4√3)(x√3-4√3)

don't know if I'll lose marks but it's technically correct... 👎👎
Original post by geestarraw
i do my best, https://www.youtube.com/watch?v=lSr-IRS2X-w look at this video of my mum


time to **** eh?
SUICIDE.gif
Original post by Mattematics
I did.


Ahh unlucky guys, I put that but you had to use the differential law, it was a trick!! but at least you tried :smile:
Original post by ALEVEL_STUDENT
10/75 for an A after seeing that paper


Posted from BEHIND YOU


Lets pray to the gods of low grade boundaries
well guys, ill see you in mcdonalds.
Original post by Mattematics
I did.


Me too but I was confused because it said next to the question that y > 3/11 but I didn't get anything under that anyway... :s-smilie:

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