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# STEP II 2012 discussion thread

Maths exam discussion - share revision tips in preparation for GCSE, A Level and other maths exams and discuss how they went afterwards.

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1. (Original post by Blutooth)
Oh, what was the elegant approach to q7?
I can't remember.... Someone told me it... I'll try to find out

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2. Re: STEP II 2012 discussion thread
Is there a STEP III discussion thread?
3. Re: STEP II 2012 discussion thread
(Original post by Cayne96)
Is there a STEP III discussion thread?
There will be at half 4. No discussion until then.
4. Re: STEP II 2012 discussion thread
(Original post by Farhan.Hanif93)
There will be at half 4. No discussion until then.
I've just created a thread for discussion, waiting for it to be approved
5. Re: STEP II 2012 discussion thread
(Original post by cpdavis)
I've just created a thread for discussion, waiting for it to be approved
Done.
6. Re: STEP II 2012 discussion thread
7. Re: STEP II 2012 discussion thread
8. Re: STEP II 2012 discussion thread
9. Re: STEP II 2012 discussion thread
hey guys! I know this has been asked loads already, but was just wondering what were your (updated! :P) thoughts on the grade boundaries for this paper! (e.g. a 1 haha) THANKS
10. Re: STEP II 2012 discussion thread
(Original post by joievee)
hey guys! I know this has been asked loads already, but was just wondering what were your (updated! :P) thoughts on the grade boundaries for this paper! (e.g. a 1 haha) THANKS
I reckon between 65-70 for a 1.
11. Re: STEP II 2012 discussion thread
Spoiler:
Show

Suppose , and from , you get

.
This is further to the discussion on Q8.
Spoiler:
Show

I don't believe that SParm's approach to the proof of the equation with p should be considered satisfactory. The intention, I believe, is to show that the given equation holds for all values of n and only then to substitute alpha,beta and q to find the expression for p.

Here's what I would write:

and only then to substitute:

etc.
Last edited by waxwing; 28-07-2012 at 18:26.

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Last updated: July 28, 2012
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