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# Edexcel FP2 Official 2016 Exam Thread - 8th June 2016 watch

1. (Original post by BlazingCharizard)
p dx/dt + q = r
2. (Original post by physicsmaths)
Daym. Bater is real insight. I teach well.
Any unofficial mark schemes online?

I am scared of my method for 4 b). Everyone is talking of double IBP when I just solved the 1st order ODE like you normally do - auxiliary equation to find c.f and then p.i. Student did it by differentiating to get 2nd order and then finding c.f and p.i. Is that really necessary though? I swear in M5 you get to finding 1st order vector ODEs using my method. No idea why he thinks you need 2nd order to solve it.

Other than that, this was a pretty standard paper. I think 75/75, so that makes it pretty easy to meet my Further Maths offer.

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3. (Original post by BlazingCharizard)
p dx/dt + q = r
you forgot the x after q otherwise it wouldn't work..
4. for the first order integral question part b=====>> dy/dy + 2y = sin theta , if i used the limits to find that the constant c was equal to 1/5, and i got the rest right, but in the final working line, when stating the full y=, i put 1/5 instead of 1/5 e^(-2 theta) ,

would that only cost me one last accuracy mark ?!?
5. (Original post by Pixel_Green)
They gave you that x = 0 when t = 0 so you could find the value of c which was -r/q
6. (Original post by Insight314)
Any unofficial mark schemes online?

I am scared of my method for 4 b). Everyone is talking of double IBP when I just solved the 1st order ODE like you normally do - auxiliary equation to find c.f and then p.i. Student did it by differentiating to get 2nd order and then finding c.f and p.i. Is that really necessary though? I swear in M5 you get to finding 1st order vector ODEs using my method. No idea why he thinks you need 2nd order to solve it.

Other than that, this was a pretty standard paper. I think 75/75, so that makes it pretty easy to meet my Further Maths offer.

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Shw me ur method.

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7. (Original post by Student403)
Yes that's exactly the combination I'm looking to have for an A*

90 average in FP2, M2, M3

And then S2, FP3, FP1 can be whatever
Ah I'm the same but hated stats so I chose D1 over S2
8. (Original post by somevirtualguy)
Ah I'm the same but hated stats so I chose D1 over S2
I hate stats too I also take D1. I was hoping to knock off one of my M1 or S1 in my normal Maths A level with a good mark in D1 so that probably won't count towards FM
9. (Original post by coolguy123456)
They gave you that x = 0 when t = 0 so you could find the value of c which was -r/q
In that case...
10. Just verify your solution works.
Or have you forgotten what it was...
(Original post by Insight314)
Any unofficial mark schemes online?

I am scared of my method for 4 b). Everyone is talking of double IBP when I just solved the 1st order ODE like you normally do - auxiliary equation to find c.f and then p.i. Student did it by differentiating to get 2nd order and then finding c.f and p.i. Is that really necessary though? I swear in M5 you get to finding 1st order vector ODEs using my method. No idea why he thinks you need 2nd order to solve it.

Other than that, this was a pretty standard paper. I think 75/75, so that makes it pretty easy to meet my Further Maths offer.

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11. (Original post by somevirtualguy)
So, just to on confirm (sorry I know you've been asked so many times), an average of 90% across M2, M3 and FP2 would be fine for an A*? I also do FP3, whether or not that makes a difference I've no idea.
That would be more than fine, yes.
12. (Original post by physicsmaths)
Shw me ur method.

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Prove me wrong.

Pro-tip: You can't.

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13. Did the inequality question have surd roots?
14. Actually so relieved it is over because I at least know now that I cannot mess up FP3 if uni is still an option 😂😥
15. (Original post by Insight314)

Prove me wrong.

Pro-tip: You can't.

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Its fine lol. Nice one.

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16. are there any solutions anywhere?
17. (Original post by EricPiphany)
Just verify your solution works.
Or have you forgotten what it was...
Posted above m8.

How did you find it?

I bet the mandem down at STEP prep thread finished this paper in half the time.

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18. (Original post by CALI1198)
Did the inequality question have surd roots?
Yes.

graph that intersects the x-axis at

Draw the graph and find where it is
19. (Original post by Pixel_Green)

In that case...
I got the same as you. Is that correct?
20. (Original post by physicsmaths)
Its fine lol. Nice one.

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Told you m8. Doubting my maths skills. Now I can finally act like a proper lad and tell my friends it is a very easy paper.

Btw, is Student's method wrong then? It was posted a few pages back but he pretty much did the same think except differentiating the ODE at the start so he can get a 2nd order ODE. This makes him get a quadratic auxiliary equation, with roots 0 and -2, whereas my method only has one root which is -2. So his complementary function would be wrong.

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