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C2 June 2011 Edexcel - Paper and Solutions in the FIRST post.

This paper was tricky because they put some cheeky questions in it.. And considering the boundaries in January, this paper was much harder so I wouldn't be surprised if the grade boundaries were at least 5 marks lower. I need 90 UMS for an A :/

Reply 981

nich_k94

I did the integration fine but I USED THE WRONG LIMITS! :frown:

I used -4 and 6 instead of 5, but I got the correct answer for those limits I used, how many marks do you think I would get out of 7?

Also I didn't know what to do next after I got -3.2 and 86.8 for the trig part a) so i just left it there..

Reply 982

oHellno

12

Seems like the only question I got wrong was that horrific radius one. But managed to guess the right answer so not too bad.

Reply 983

Schteve

2

100% baby \o/ Cheers, Arsey.

Reply 984

Extricated

17

This was an alright paper, i dont see it going to 71..i mean the only extra-ordinary question was that radius one..not that i got 100% but im just saying that if we get our hopes up too much then may be a fail. On another note, Arsey..in the 'prove that ur value is a minimum' what happens if you differentiate correctly and put in x = 3 but get 36 (damn calc) then you say d2y/dx2 > 0 therefore minimum..because on past mark schemes i've seen both marks given for correct differentiation and then d2y/dx2>0....will they just ignore that 36 part

also on the radius one i found the angle 1/6pi then formed a different triangle...will i get atleast get 1/3?

thanks so much again...the january paper was a joke compared to this one!

(edited 12 years ago)

Reply 985

jilebinator

12

i think the grade boundaries will be slightly lower.... 73/75 for 100ums, the rest look fine :smile:

Reply 986

Eat.Sleep.Row.Repeat.

8

Did anyone else get a different middle value for the sin graph? I got -3.2 (which obviously you discount) and added 360 to get the 356.8 value. I then took the -3.2 and added it to -180 (where it would be equal on the curve) then added 360 to get 183.2

Original post by Arsey

-snip-

How'd you get 93.2? Because when you sin that you get a different value to when you sin 356.8?

Reply 987

wjrt17

How do i find the provisional mark scheme?

Thanks

Reply 988

ViralRiver

16

Original post by mororge

Thanks to the OP for this very helpful resource.

One question, though.

For q1 (b), it states 'factor theorem', whereas the solutions appear to use the 'remainder theorem'.

Does the OP think that both will be credited?

They're both essentially the same thing.

Reply 989

emmakh123

2

question 5 a) and b) = did they need to be to 3 sginificant figures? i just left them with pi in.

Reply 990

Great

hi there so arsey did you mean that 58 marks will be an A?

Reply 991

Perci

I got the method correct for 5 B) but didn't use 6-r, so didn't get the correct answer. Any method marks in it? What about error carried forward for the next bit?

Reply 992

Lady_Diamond

1

Hey, could someone please guide me to the solutions for this paper! Many thanks!

Reply 993

mbrown956

Original post by Barkziee

Had no clue for the radius of the circle so I worked out the arc length and assumed that to be half the circumference, which gives a circumference of 4pi, :. r=2. A method mark lost perhaps, but good to know I was correct!

I did the same!

Reply 994

zumgluck

Woo so happy the whole paper was pretty easy apart from 5b so I just guessed a radius (2) hoping I could get method marks if I just plugged that in for part c and it was right yaaay

Reply 995

alz333

where is the solutions

Reply 996

Arsey

OP

10

Original post by mbrown956

I did the same!

you will not get any marks for this as the method is wrong.

however, as you luckily got the correct radius you will get all the marks for c) without worrying if it allows ft from b)

(I suspect they will allow ft from b) simply because of how difficult b) is)

Reply 997

snow leopard

1

Messed up two and a half questions: sector question, circle geometry coordinates (i put when x=o, got the correct y coordinates, but then for some dumb reason i substituted y to get new x's cause I forgot x=0), and the last part to the geometric series, misread the word 'sum'. Fml.

I wish I was born a year earlier, the C1 and C2 papers for 2011 were disgusting.

Lucky people who sat the papers in 2006-2010, the easiest, golden math exams, especially with C1.

Reply 998

anuradha_d

1

Original post by Arsey

Revision thread for the C2 June paper.

Paper and solutions now up.

This was not an easy paper, certainly on the difficult side when compared to previous ones.

Q1. Standard, pretty easy
Q2. Standard, but (1 + ...) are easier
Q3. Easier than normal
Q4. Not that easier, converting equations into circle form are generally answered poorly.
Q5. a) and c) are very easy, but c) is dependent on b). b) was very hard.
Q6. a) b) c) standard, but d) isn't easy, no frameworking given, makes it more difficult than normal
Q7. Trig questions are often poorly answered and this was 10 marks. a) was tricky because the first solution was negative. There was no structure in b) previously it is common to be told to prove the quadratic before solving; definitely harder than normal
Q8. Harder because it was more unusual, no depth variable given will cause a lot of problems
Q9. Not that easy compared to what has been asked in previous papers.

My best guess at boundaries are

100UMS - 74
90UMS - 66
80UMS - 58
70UMS - 50
60UMS - 42
50UMS - 34
40UMS - 26

Past Papers and model solutions included

I will also post some tips as they occur to me and answer any questions

Good luck in the exam

I DO NOT HAVE ACCESS TO THE PAPERS BEFORE THE EXAMINATION TAKES PLACE

Good site for past papers

http://www.freeexampapers.com/past_papers.php?l=Past_Papers%2FA+Level%2FMaths%2FEdexcel%2F

I will be happy to remove any content I have uploaded if requested by site admin

Thanks Arsey :smile:

I was just wondering..
Wasn;t this somewhat like the Jan 10 paper? Slightly easier perhaps...
But do you think the grade boudaries will be slightly lower?
Thanks

Reply 999

Econ123

Original post by TheBritishBloke

This paper was tricky because they put some cheeky questions in it.. And considering the boundaries in January, this paper was much harder so I wouldn't be surprised if the grade boundaries were at least 5 marks lower. I need 90 UMS for an A :/

Ahhhhhh im in the same boat:\

C2 June 2011 Edexcel - Paper and Solutions in the FIRST post.

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