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# Edexcel FP3 June 2015 - Official Thread watch

1. (Original post by Chazatthekeys)
Why would it be perpendicular?! Since it was the line through the 2 points you choose - I don't see why it would be perp.?
Agreed it's definitely though the two points not perp

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2. (Original post by Skitee)
67 or so would defo be an a* maybe full ums... The reason why the being odd didn't affect it for you was because you didn't end up doing I1 so you wouldbhave lost a couple of marks there

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Thanks but I said I did get this.

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3. I didn't get 8c; otherwise that was good harder than usual though. Or maybe not harder, just different.
4. (Original post by trooken)
If n was even then you would have needed I_0, which introduces π/2 into your final answer.

Think I've got the same marks as you. I reckon 65 will be anywhere between 85-95 UMS, although probably towards the higher end of the range, although don't want to get hopes up lol

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Yeah I said that

Haha hopefully. I think the fact that the first half was very accessible for anyone who had revised a decent amount will bring the boundaries up.

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5. (Original post by Chazatthekeys)
Why would it be perpendicular?! Since it was the line through the 2 points you choose - I don't see why it would be perp.?
Because they want the equation of the locus of the midpoint of parallel lines, which would move in a perpendicular fashion to that of the parallel lines. Picture the perpendicular lines being vertical: the locus would be horizontal.

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6. Cant believe i didnt write I_1. I iust wrote x1 at the end.

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7. (Original post by Elcor)
Yeah I said that

Haha hopefully. I think the fact that the first half was very accessible for anyone who had revised a decent amount will bring the boundaries up.

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Yeah but last year the vast majority of the paper was quite easy. It was only Q6 and Q9 that could have caught you out really. Q2 maybe a tiny bit. I'm expecting (hoping for) slightly lower boundaries.
Pretty p***ed off at myself to be honest, I just couldn't get the algebra working in this exam; I can blame it on overall fatigue after all the others/having just done S2 but really I should have done better on this paper
8. (Original post by Elcor)
Because they want the equation of the locus of the midpoint of parallel lines, which would move in a perpendicular fashion to that of the parallel lines. Picture the perpendicular lines being vertical: the locus would be horizontal.

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But you didn't have to do it for last years paper - and that was basically exactly the same?
9. (Original post by Elcor)
Thanks but I said I did get this.

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Sorry haha my fault
10. (Original post by 13 1 20 8 42)
Yeah but last year the vast majority of the paper was quite easy. It was only Q6 and Q9 that could have caught you out really. Q2 maybe a tiny bit. I'm expecting (hoping for) slightly lower boundaries.
Pretty p***ed off at myself to be honest, I just couldn't get the algebra working in this exam; I can blame it on overall fatigue after all the others/having just done S2 but really I should have done better on this paper
Yh I think this paper was harder than last year's. More unfamiliar (but not necessarily harder) questions which causes people to take more time on the question and end up running out of time or making silly mistakes in their rushed answers

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11. Why do Edexcel hate our year...?
That was possibly the worst FP3 exam I've ever done. It started off so nicely, up until question 7, where there was a nice easy reduction.. Then it all went to hell for Q8b and c..
Thank god for that incredibly nice S2 paper.
12. (Original post by Chazatthekeys)
But you didn't have to do it for last years paper - and that was basically exactly the same?
Don't know man :s

You get my point though?

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13. 61 90UMs. Watch ..

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14. (Original post by Elcor)
Don't know man :s

You get my point though?

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I do - don't stress me out now 😂 haha
15. How much marks am I likely to lose on last question, part c), if I got all working right, however, i forgot that i was using 1/m instead of m and received answer of mx*(-1/4)?
16. (Original post by mdemda)
How much marks am I likely to lose on last question, part c), if I got all working right, however, i forgot that i was using 1/m instead of m and received answer of mx*(-1/4)?
1 probs
17. (Original post by mdemda)
How much marks am I likely to lose on last question, part c), if I got all working right, however, i forgot that i was using 1/m instead of m and received answer of mx*(-1/4)?
You'll get at least 4 marks for that
18. (Original post by Gome44)
1 probs
(Original post by sol.smith)
You'll get at least 4 marks for that
great, thanks!
19. (Original post by sol.smith)
You'll get at least 4 marks for that
Wait so what is the answer to 8c), I thought it was like last years and I got

Y=(-1/4m)X

Is that right?!
20. How did everyone do the last question? Am i right in getting -0.5cot (beta-alpha/2) somewhere in my calculation or nah?

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