Edexcel FP2 Official 2016 Exam Thread - 8th June 2016

God, please, no. This is pathetic.

I thought that's what you meant it was already - and that you wanted to change FROM that to something else?

I think the order you listed them in confused me!

If you put them like:

[AS Maths] - [AS Further] - [A2 Maths] - [A2 Further]

It'll be a lot clearer and I'll amend what I said

Just say what it is atm and which ones you want to swap

No... the integrating factor knowledge was tested in 4(i) (a).

The second first order differential equation 4(ii) was meant to test whether candidates could apply the complementary function + particular integral FP2 integration method to a first order ODE which is something that is unique to the FP2 exam, i.e: testing content on the FP2 spec. If candidates chose to go down the integrating factor and double IBP route, that is just evidence of their fact that they don't understand the nuances FP2 CF/PI method.

I've only done up to c4, whats the fp2 way of intergrating

You know what is more pathetic? Bundles of result sheets with bad FP2 grades bro... And to add to that, tons of students wasting an entire year of their lives waiting to resit a paper that they spent countless hours prepping for.

Surely the majority of the candidates found this paper unfair, one way or another. Anyone down for a petition? As in like one of those simple online ones...like from http://www.ipetitions.com/ for example. Surely Edexcel will respond in some positive way that will benefit the poor, sinful souls that sat this abominable exam?

In defence of who went the double IBP route, which is a group that includes myself, I have never seen, both in the textbook or on past papers, the CF/PI method applied to 1st order, all the papers I've done had CF/PI on the 2nd order (please feel free to correct me), so I didn't even know at the time of the exam that 1st orders can be done by CF/PI. The question also didn't specify a method to use. The CF/PI method was tested, just on a later question with the 2nd order, and I don't think Edexcel would have wanted to test us twice on the same topic. Anyway, I hope Edexcel will mark both approaches as correct.

I get that people thought it was a bad exam, and I can sympathise. But it was all on material that you should be comfortable with thinking about. Further to that, making a petition about it is about as writing up your exam results in crayola and declaring that those are your official results. If the exam really is as hard as you say it is, the boundaries will reflect that regardless of some silly petition.

(also, come on! I thought FP2-ers were better than this petition nonsense that silly C1-ers pull out)

AS Maths: C1, C2, D1
AS Further: FP1, M1, D2
A2 Maths: C3, C4, S1
A2 Further: FP2, M2, S2

Also don't worry about the swapping part that was just me not understanding how the grades are calculated. Now I just want to make sure that I am right in thinking that since my D2 is already 100 UMS if I achieve 85 UMS in both S2 and M2 I can still achieve A* further?

You know what is more pathetic? Bundles of result sheets with bad FP2 grades bro... And to add to that, tons of students wasting an entire year of their lives waiting to resit a paper that they spent countless hours prepping for.

Surely the majority of the candidates found this paper unfair, one way or another. Anyone down for a petition? As in like one of those simple online ones...like from http://www.ipetitions.com/ for example. Surely Edexcel will respond in some positive way that will benefit the poor, sinful souls that sat this abominable exam?

Yeah I didnt know either but if you think about it a first order differential equation is like a second order differential equation but with the coefficient of d^2y/dx^2 equal to 0.

Good point.

I would assume it'd be possible then to just solve it as a standard second order differential, without having to differentiate it again...

i.e. for gen sol

f= e^mx f'=me^mx f''=0

me^mx + 2e^mx = 0

m = -2

and so on for P.I.

Or you could just do dy/dx + 2y = 0 so 1/y dy = -2 dx

So ln y = -2x + c so y = Ae^(-2x).

This is a waste of time. The exam wasn't that hard lol. People are brushing over the fact that edexcel basically gifted us ~19 marks with question 6 and 7. (in the sense that you know if you got it right or not as you were told the answers).

Couldn't agree more. I accidentally added a 1 to the denominator of one of terms in one of my latter lines of working (great mistake, right?) on the integral of sin^5(x) and wouldn't have noticed if it hadn't given the answer you needed to get!

I still can't get over how much time I spent revising complex transformations and it didn't even come up 😂