Edexcel A2 C3 Mathematics 12th June 2015 Watch

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Abel Demoz
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(Original post by V0ldemort17)
Hey guys, any chance of some S2 help? When drawing a probability density function for X as below, as 1 is not equal Attachment 349811 to x but to 3x^2/14, you draw it as 3/14 and not as 1 right?

If that's the case, why is 1 the mode??


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Remember that it's continuous, not discrete. Therefore, it can have an infinite number of digits after the decimal so just look it as 0.9999999999999999 being the mode which is pretty much 1
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Itsmonique
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I was wondering whether anyone has started either the Solomon or elm wood papers yet?


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Hudl
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Hi guys, cant believe I am only just finding this thread.
I had my C3 mock just before we broke up for the christmas holiday and my teacher gave us the Edexcel June 2014 R Paper for the mock
I think it was pretty hard, and she believes it to be harder/ on par with the June 2013 paper. I got 66/75 in it big step down from 75/75 in both C1 & C2
I only did like 4 papers though for preparation and they were the early papers. I really want 100UMS in C3 as I NEED the A* in maths.


I have worked my way through the book and did pretty much every question in it. Should I go hard on papers now or do it steadily and read up on C4 instead as before we broke up we have completed. Chapter 1, 2, 3 and 3/4 of Chapter 6. I havent done any of the exercises for these as I just couldnt be bothered and we had our C3 mocks so I focused on fininsh the book questions for C3 than following the book work in class.


What would be the best way forward. Do past papers for C3 to complete a lot of them or do like 3/4 and finish the C4 exercises before getting back to college?
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MrJAKEE
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Hi everyone I'm in my AS year and for some reason I'm taking C3 early as part of my further maths a level. What is C3 like? Is it hard to get 100 UMS in it?


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Kill3er
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(Original post by MrJAKEE)
Hi everyone I'm in my AS year and for some reason I'm taking C3 early as part of my further maths a level. What is C3 like? Is it hard to get 100 UMS in it?


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I personally think it's quite a step up from C1 and C2, however its still manageable. I think once you've got your head around C3 differentiation and trig it isn't too bad. You'll be fine.

(Original post by Hudl)
Hi guys, cant believe I am only just finding this thread.
I had my C3 mock just before we broke up for the christmas holiday and my teacher gave us the Edexcel June 2014 R Paper for the mock
I think it was pretty hard, and she believes it to be harder/ on par with the June 2013 paper. I got 66/75 in it big step down from 75/75 in both C1 & C2
I only did like 4 papers though for preparation and they were the early papers. I really want 100UMS in C3 as I NEED the A* in maths.


I have worked my way through the book and did pretty much every question in it. Should I go hard on papers now or do it steadily and read up on C4 instead as before we broke up we have completed. Chapter 1, 2, 3 and 3/4 of Chapter 6. I havent done any of the exercises for these as I just couldnt be bothered and we had our C3 mocks so I focused on fininsh the book questions for C3 than following the book work in class.


What would be the best way forward. Do past papers for C3 to complete a lot of them or do like 3/4 and finish the C4 exercises before getting back to college?
I would still do a little C3, maybe a paper a day - making sure I understand everything whilst completing C4. There's no point finishing every paper for C3 quickly and then running out and having nothing else to do for the next sixth months and possibly forgetting some of the material. But that's just me
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MrJAKEE
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(Original post by Kill3er)
I personally think it's quite a step up from C1 and C2, however its still manageable. I think once you've got your head around C3 differentiation and trig it isn't too bad. You'll be fine.



I would still do a little C3, maybe a paper a day - making sure I understand everything whilst completing C4. There's no point finishing every paper for C3 quickly and then running out and having nothing else to do for the next sixth months and possibly forgetting some of the material. But that's just me
Cheers Kill3er


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Senll
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Before starting past/Solomon papers, idiot worth doing review exercise and mixed exercise to get a grip on each topics? Or is that waste of time?

What are elm wood papers exactly?


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Dilzo999
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(Original post by Senll)
Before starting past/Solomon papers, idiot worth doing review exercise and mixed exercise to get a grip on each topics? Or is that waste of time?

What are elm wood papers exactly?


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Only do them for the topics you don't feel confident with. If not, don't bother.
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TeeEm
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(Original post by Senll)

What are elm wood papers exactly?


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Elmwood Press Parers are practice papers like Solomon Papers (but not as good in my opinion)
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larouge
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Hey guys I have a question that I've been staring at for a while and I'm kinda stuck on soI was wondering if I could get some help on it...

The question is:
Show that d/dx(tanx/1+secx)=1/1+cosx

Thanks in advance
oh btw @kill3er thanks for the date
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ThatPerson
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(Original post by larouge)
Hey guys I have a question that I've been staring at for a while and I'm kinda stuck on soI was wondering if I could get some help on it...

The question is:
Show that d/dx(tanx/1+secx)=1/1+cosx

Thanks in advance
oh btw @kill3er thanks for the date
Start by changing both the numerator and the denominator into sin(x) and cos(x) terms. Then use the quotient rule.
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Krollo
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(Original post by larouge)
Hey guys I have a question that I've been staring at for a while and I'm kinda stuck on soI was wondering if I could get some help on it...

The question is:
Show that d/dx(tanx/1+secx)=1/1+cosx

Thanks in advance
oh btw @kill3er thanks for the date
Multiply the top and bottom of the fraction by cosx before differentiating.

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iceangel8
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Hi guys! Woooo C3! I'm finding it okay surprisingly but terrified as to what the exam is going to be like from looking at the most recent papers D:
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Dylann
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(Original post by iceangel8)
Hi guys! Woooo C3! I'm finding it okay surprisingly but terrified as to what the exam is going to be like from looking at the most recent papers D:
This is what I'm most scared of too...I fear they will give us stupid contextual questions and awkward trig expressions. I'm just gonna have to cover the whole specification back to front and do other exam board papers to make sure I fully understand everything

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Itsmonique
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(Original post by Dylann)
This is what I'm most scared of too...I fear they will give us stupid contextual questions and awkward trig expressions. I'm just gonna have to cover the whole specification back to front and do other exam board papers to make sure I fully understand everything

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Me too, I plan to do some AQA past papers


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Dylann
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(Original post by Itsmonique)
Me too, I plan to do some AQA past papers


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Do you know which exam board is most similar to edexcel and which is least similar?

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Itsmonique
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(Original post by Dylann)
Do you know which exam board is most similar to edexcel and which is least similar?

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From what I've seen AQA is similar, maybe OCR but I'm not entirely sure! My plan is too complete the majority of questions in the textbook, then complete a workbook of exam questions from my teacher. Then I'll do Solomon papers, Elmwood papers and then the actual past papers. For AQA C3 they have some topics from c4 though


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tiny hobbit
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You could also look at the Edexcel International A level papers here:
http://qualifications.pearson.com/en...Exam-materials

The papers for June 2012 and 2013 are just the ones you've seen already, but the January and June 2014 are different. Also look for C3 topic questions on the C34 papers.

I've just noticed that the June 2014 papers need a password, so you'll need to ask your teacher to download them.
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Kill3er
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(Original post by tiny hobbit)
You could also look at the Edexcel International A level papers here:
http://qualifications.pearson.com/en...Exam-materials

The papers for June 2012 and 2013 are just the ones you've seen already, but the January and June 2014 are different. Also look for C3 topic questions on the C34 papers.

I've just noticed that the June 2014 papers need a password, so you'll need to ask your teacher to download them.
Thanks!
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physicsmaths
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Kij
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