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STEP 1 2015 Solutions Thread

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Original post by Rkai01
It would only be Step 1. That is the easier one right?
As for AEA, would you say there are any specific modules you should do?
Also I'm being self taught so how would you say I start in terms of learning as there aren't any text books.


Aea is literally c1-4. That is all you need. Edexcel Pearson books for these modules are available online


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Rkai01
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Original post by physicsmaths
Aea is literally c1-4. That is all you need. Edexcel Pearson books for these modules are available online


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You sure? I looked at some AEA q's and they looked way more intense compared to even a solomon C3/4 q.

I'd have thought the level of difficulty surpasses FP3, and I struggled on this years paper (even though rushed revision)
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Rkai01
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Original post by physicsmaths
Aea is literally c1-4. That is all you need. Edexcel Pearson books for these modules are available online


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Oh how can I access the Math books online please?
Original post by Rkai01
You sure? I looked at some AEA q's and they looked way more intense compared to even a solomon C3/4 q.

I'd have thought the level of difficulty surpasses FP3, and I struggled on this years paper (even though rushed revision)


Might be harder then an fp3 paper. I got 90 on this years Aea paper using C1-4 knowledge. It doesnt go further then that.


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Original post by Zacken
Q2

(i)

Spoiler

(ii)

Spoiler

(iii)

Spoiler



For part (ii) how did you factorise the cubic?
Original post by Glavien
For part (ii) how did you factorise the cubic?


Comparing coefficients is what I did in the exam then quadratic formula. But notice the cos is a sol hence you get the rest.


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Original post by Glavien
For part (ii) how did you factorise the cubic?


I would do it by inspection, but comparing coefficients or long division works. (I think I did the latter in the real thing)

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