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# AEA Prep Thread - 25th June 2015 (Edexcel) watch

1. (Original post by physicsmaths)
Should I write up a sol?

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Please hahaha, I dropped 9 marks there, 4 marks in the binomial bit, and probably 2 marks in the integral because one of the numbers in the show that I got was out by a factor of root3 so I discretely changed my working earlier on to make that factor of root3 go away but that was just in one of the fractions of the entire thing. You reckon ive got a distinction?
2. (Original post by xyzmaster)
How did you do the last part of the last question
When you integrate (cosecø)(cot^4ø) change it to (cosecøcotø)(cot^3ø) and do it by parts as I bracketed if I can remember correctly.
3. (Original post by xyzmaster)
How did you do the last part of the last question
I didnt have time to do it. But i strongly suspect either x=sectheta or something of the x^2-1 trig subs

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4. (Original post by Jai Sandhu)
Please hahaha, I dropped 9 marks there, 4 marks in the binomial bit, and probably 2 marks in the integral because one of the numbers in the show that I got was out by a factor of root3 so I discretely changed my working earlier on to make that factor of root3 go away but that was just in one of the fractions of the entire thing. You reckon ive got a distinction?
Yh

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5. (Original post by Jai Sandhu)
Please hahaha, I dropped 9 marks there, 4 marks in the binomial bit, and probably 2 marks in the integral because one of the numbers in the show that I got was out by a factor of root3 so I discretely changed my working earlier on to make that factor of root3 go away but that was just in one of the fractions of the entire thing. You reckon ive got a distinction?
Almost definitely
6. (Original post by Jai Sandhu)
When you integrate (cosecø)(cot^4ø) change it to (cosecøcotø)(cot^3ø) and do it by parts as I bracketed if I can remember correctly.
I felt so good I managed to do part A and B but c ruined it ( started with q7)
7. (Original post by mmms95)
is anyone writing up full solutions?
I am currently writing solutions to AQA, C1, June 2014 paper. I am about to start Q6. Any good?
Attached Images

8. (Original post by physicsmaths)
Yh

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(Original post by trooken)
Almost definitely
How much leigh weigh in marks do you reckon I have? Could I lose up to like 7 more and still get a distinction?

9. q3

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10. (Original post by Jai Sandhu)
How much leigh weigh in marks do you reckon I have? Could I lose up to like 7 more and still get a distinction?
It will be around 70 probably.so you should be good mate.

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11. (Original post by physicsmaths)

q3

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Yeah..... I would never have got that hahaha nice

(Original post by physicsmaths)
It will be around 70 probably.so you should be good mate.

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Aight thanks, aslong as I get it I should be set then for Warwick with both STEP and AEA, can probs afford to screw up on my A levels.
12. hi guys this is what i did (roughly), tell me if you can't see it or understand any part of it. I would really like to discuss the questions with you.
Attached Images

13. Bleh, figured out where I went wrong on 6c... Didn't rearrange the linear equation you get properly so got \ = 1.5 (bad attempt at that letter tbh). Should I only lose 4 marks in total for c), d) and e) (3 A1 and M1 somewhere) because of that? Should be at upper-mid 70s if that's the case, lower otherwise.
14. (Original post by Hung Huu)
hi guys this is what i did (roughly), tell me if you can't see it or understand any part of it. I would really like to discuss the questions with you.
Looks good but sketches in 5 should be restricted!

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15. (Original post by physicsmaths)
Looks good but sketches in 5 should be restricted!

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oh yeah of course,i didn't think things through, i actually drew the graph for question 1 wrong too. stupid me, and the last integral i couldn't find a way to use part b, so i used partial fracton instead. i got a lot of time to spare too, what a shame to make such bad mistakes.
16. (Original post by Hung Huu)
oh yeah of course,i didn't think things through, i actually drew the graph for question 1 wrong too. stupid me, and the last integral i couldn't find a way to use part b, so i used partial fracton instead. i got a lot of time to spare too, what a shame to make such bad mistakes.
Yeah, idk how many marks you would get for the last part, did you reach the show that? If you did, you probably wont get the elusive "S" marks for that question.
17. (Original post by Jai Sandhu)
Yeah, idk how many marks you would get for the last part, did you reach the show that? If you did, you probably wont get the elusive "S" marks for that question.
yeah i did reach the answer they asked for. what's this elusive point, can you tell me?
18. (Original post by Hung Huu)
yeah i did reach the answer they asked for. what's this elusive point, can you tell me?
You know they give 7 marks for presentation, clarity etc, 3 of those marks are S1, 3 of them are S2 and 1 is a T1. T1 mark is for achieving atleast 50% on every question. S1 and S2 are for complete succinct solutions to the questions (usually not counting the first 3). Sometimes I think they are question specific so you get S1 in said question if you used the parts above to solve the following part as it makes the whole question will flow smoothly. Although this is all speculation and what not. By the looks of it you have got like 85 minimum, which is pretty damn impressive considering how few people get distinction. Hoping to scrape 80 myself, but made some silly mistakes in Q4, didnt do Q3 and I think dropped 1 mark, max 2 in the final question. I am hoping a distinction is normal, so like 70-75. In which case I relatively confident.
19. (Original post by Jai Sandhu)
You know they give 7 marks for presentation, clarity etc, 3 of those marks are S1, 3 of them are S2 and 1 is a T1. T1 mark is for achieving atleast 50% on every question. S1 and S2 are for complete succinct solutions to the questions (usually not counting the first 3). Sometimes I think they are question specific so you get S1 in said question if you used the parts above to solve the following part as it makes the whole question will flow smoothly. Although this is all speculation and what not. By the looks of it you have got like 85 minimum, which is pretty damn impressive considering how few people get distinction. Hoping to scrape 80 myself, but made some silly mistakes in Q4, didnt do Q3 and I think dropped 1 mark, max 2 in the final question. I am hoping a distinction is normal, so like 70-75. In which case I relatively confident.
oh okay thanks then. no matter how i look at the last question, i can't help but think that the trigonometric answer can't be any less horrendous than the one i gave. Have you got the answer to that one ?
20. (Original post by Hung Huu)
oh okay thanks then. no matter how i look at the last question, i can't help but think that the trigonometric answer can't be any less horrendous than the one i gave. Have you got the answer to that one ?
You should get full marks if you got the right answer tbh!

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