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FP1 Jan 2012 Edexcel - Post exam discussion - Solutions and paper in first post

Model solutions attached.

Fairly standard paper, perhaps marginally more difficult than standard.

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74/75. That 1 mark lost will probably be -5 UMS lol. Thanks Arsey, as always :smile:
(edited 12 years ago)
Reply 2
Thanks for staying up :smile:

Got 100% apart from 9C, I knew I could have done it (worked out after exam) but after starting off at the wrong point and only going back to that point, rather than considering a new starting point meant I was never going to get it!

I hope I get at least 1/4 for my 2 pages of scribbles giving me 72/75 :smile:
Reply 3
Original post by Arsey
Model solutions attached.

Fairly standard paper, perhaps marginally more difficult than standard.


Cheers for uploading this :biggrin:
For 7(b), do I need to mention that it's true for n=3?
Reply 4
:colone:
Reply 5
Original post by zactissue
Cheers for uploading this :biggrin:
For 7(b), do I need to mention that it's true for n=3?


no
Reply 6
Original post by Arsey
no


Cheers


I'd +rep you a million times if I could
Reply 7
Equation for directrix, is it okay if I did x+4=0
Reply 8
Original post by theseeker
Equation for directrix, is it okay if I did x+4=0


yh its the same thing brudda.
Reply 9
100 ums :smile:
Also, for the Argand diagram, I didn't join it with a line. I just plotted the points and labelled. Would I still get full marks?
ARSEY who are you,you genius you,thankyou for all the solutions,you made life easy,and yayyyyyyyyyyyyyy full marks:biggrin:
qquite possibly 100%,

I used a diffrernt method for 8b & 6a but I think I'll still get the mark

AYAYYAY
Reply 13
Original post by theseeker
Also, for the Argand diagram, I didn't join it with a line. I just plotted the points and labelled. Would I still get full marks?


yep
Original post by Arsey
yep


Thanks Arsey :-) Once again, salute you :-)
Reply 15
Original post by theseeker
Also, for the Argand diagram, I didn't join it with a line. I just plotted the points and labelled. Would I still get full marks?



Original post by Arsey
yep


I did the same thing! Also would I get full marks for using implicit differentiation on the line questions?

and possible grade boundaries? :biggrin:
Reply 16
Original post by Jorgeyy
Thanks for staying up :smile:

Got 100% apart from 9C, I knew I could have done it (worked out after exam) but after starting off at the wrong point and only going back to that point, rather than considering a new starting point meant I was never going to get it!

I hope I get at least 1/4 for my 2 pages of scribbles giving me 72/75 :smile:

Asrhdghdf 9C can get lost. I got all correct aside from 9C.
I got to the stage Y=6(p-q)/(p^2-q^2) and something in my brain just didn't connect the dots. I spent ages looking at the denominator thinking how the hell do I factorise that - I don't know how i didn't even guess that it would be something that would cancel..... I feel like such a bloody idiot now lol. Assuming I got 1/2 marks for that question then I got 72 or 73 marks.

Although personally I thought aside from 9C it was an extremely easy paper. Easier than a lot of the past papers - maybe that's just because I never found induction or matrixes challenging though.
What was last years grade boundaries?
do you think I'll get any marks if I did Z1/Z2 for question 1 c)
grade boundary predictions
100ums-75
90 ums-68
80 ums-63

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