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# Edexcel FP3 June 2015 - Official Thread watch

1. (Original post by 13 1 20 8 42)
got like 11.66 but not checked and owing to some of the numbers I obtained I reckon something went wrong early on; think I got the method though..

edit: by the method I mean a method.
LOL. I actually did make a mistake. -_-' I put a postive in a place where a negative should have been so your answer is prob right XD.

TeeEm, your sub was so much more simplier XD and quicker.

Edit: got 5.57 after correcting my mistake -.-' lol
2. (Original post by TeeEm)
5 minutes to both my solutions
well if students can do these types of questions, RIP my A*
3. Can someone please explain how to do question 7b on P3 JUNE 2003
Attached Images
4. P6 - JUN03 - QP.pdf (54.1 KB, 70 views)
5. P6 - JUN03 - MS.pdf (156.3 KB, 131 views)
6. (Original post by ninjasinpjs)
well if students can do these types of questions, RIP my A*
you will be given a substitution in the exam and you will only be expected to do the one with the limits (easier)
7. (Original post by Boop.)
Can someone please explain how to do question 7b on P3 JUNE 2003
I will try in about 5 minutes if no one else is available
8. (Original post by chemlover12)
LOL. I actually did make a mistake. -_-' I put a postive in a place where a negative should have been so your answer is prob right XD.

TeeEm, your sub was so much more simplier XD and quicker.
Lol I just redid it in the same way and now I'm getting 9.41. Perhaps I need some early sleep
9. (Original post by TeeEm)
Any strong FP3ers out there?

Try this integration (without clues) if you are hard enough...
I will write and post solutions after my dinner (about 1 hour)
i got 9.42 (3sf)
10. (Original post by TeeEm)
Perhaps you are right...
in an exam you will be given a substitution

use 2x = -1 + 4 coshθ

I actually came up with that sub..just don't think I did the rest properly.
edit: getting something around 9.41 now rather than my answer before
11. (Original post by 13 1 20 8 42)
Lol I just redid it in the same way and now I'm getting 9.41. Perhaps I need some early sleep
yes i also got 9.42 (3sf)
12. (Original post by TeeEm)
Any strong FP3ers out there?

Try this integration (without clues) if you are hard enough...
I will write and post solutions after my dinner (about 1 hour)
solutions are now attached in post 329
13. (Original post by rachu)
yes i also got 9.42 (3sf)
sorry I left it exact
14. (Original post by 13 1 20 8 42)
I actually came up with that sub..just don't think I did the rest properly.
edit: getting something around 9.41 now rather than my answer before
my solution is up now so you can check against mine
15. (Original post by TeeEm)
my solution is up now so you can check against mine
Hey TeeEm, whats the best way to revise maths?
16. (Original post by Boop.)
Can someone please explain how to do question 7b on P3 JUNE 2003
it might be too hard If I try to explain because I do not use standard formulae but I will try if no one else can
17. (Original post by TeeEm)
my solution is up now so you can check against mine
when i converted your exact answer to decimal, i got 9.42 . so my answer is correct. Thank you for posting question
18. (Original post by ninjasinpjs)
Hey TeeEm, whats the best way to revise maths?
start as early as possible worked for me
19. (Original post by rachu)
when i converted your exact answer to decimal, i got 9.42 . so my answer is correct. Thank you for posting question
Excellent!
(still worth looking at both my solutions)
20. (Original post by TeeEm)
Excellent!
(still worth looking at both my solutions)
yes i looked at your method .. i used the same method .. except fewer lines of working since calculator did most of it! what level would you say this question was? on a scale of 1 to 5 ?
21. (Original post by TeeEm)
(still worth looking at both my solutions)
When I type it in I get the same expansion I had But it'd probably be worth trying to do it exact
22. (Original post by rachu)
yes i looked at your method .. i used the same method .. except fewer lines of working since calculator did most of it! what level would you say this question was? on a scale of 1 to 5 ?
the non limit one (mathematician to be)
the limit one without substitution (engineers and physisists...)

joking

well done as they very hard

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