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# Will the real TeeEm please stand up! watch

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1. (Original post by Gome44)
Sorry about that, but I think the method is quite simple

Let x=0.5tan(u)
Let u=π/4 -z
How'd you come up with the second sub (I tried the initial 0.5tanu)?
2. (Original post by 13 1 20 8 42)
How'd you come up with the second sub (I tried the initial 0.5tanu)?
I tried π/2 - z as this sometimes works (I was trying to turn the tan in cot), but the limits changed to much. Thus, I tried π/4 - z to 'preserve' the limits (tbh it was just a lucky guess )
3. (Original post by Gome44)
Sorry about that, but I think the method is quite simple

Let x=0.5tan(u)
Let u=π/4 -z
that is what I did...
I just could not follow your work (I swear I saw integration by parts there)
4. Series Question
Any takers?
Attached Images
5. Q1.pdf (9.8 KB, 47 views)
6. (Original post by TeeEm)
Series Question
Any takers?
Spoiler:
Show

Rather nice question

Posted from TSR Mobile
7. (Original post by Krollo)

Rather nice question

Posted from TSR Mobile
it was a nice question ... it is no more since you posted the solution

I made this today I was trying to make a question combining series from FP1 and FP2 together.
8. (Original post by TeeEm)
it was a nice question ... it is no more since you posted the solution

I made this today I was trying to make a question combining series from FP1 and FP2 together.
Lol I'll spoiler it

Posted from TSR Mobile
9. Integration Question
Any takers?
Attached Images
10. Q2.pdf (13.2 KB, 35 views)
11. (Original post by TeeEm)
Integration Question
Any takers?
Wasn't that a STEP I question?
12. (Original post by rcmehta)
Wasn't that a STEP I question?
I did not know that it was.
13. (Original post by TeeEm)
I did not know that it was.
1997, Q6
14. (Original post by rcmehta)
1997, Q6
did not know ...

mine came from else where
Attached Images
15. IMG.pdf (110.0 KB, 39 views)
16. (Original post by TeeEm)
did not know ...

mine came from else where
To be fair the STEP question is too easy really.
Spoiler:
Show
I would have never thought to use algebraic division. Tried loads of subs as it was similar to the last one on here (well, the denominator). Or is there a clever sub that works?
17. (Original post by 13 1 20 8 42)
To be fair the STEP question is too easy really.
Spoiler:
Show
I would have never thought to use algebraic division. Tried loads of subs as it was similar to the last one on here. Or is there a clever sub that works?
I did it exactly the same way
Maybe there is some other way, but I have seen the question before and once you have seen it it is very difficult to think of anything else
18. (Original post by 13 1 20 8 42)
To be fair the STEP question is too easy really.
Spoiler:
Show
I would have never thought to use algebraic division. Tried loads of subs as it was similar to the last one on here (well, the denominator). Or is there a clever sub that works?
try this one which I have also stolen and changed into my resources ...

this is the original ...

I will pull my hair if somebody says "this question is from so and so ..."
Attached Images
19. IMG.pdf (67.3 KB, 47 views)
20. (Original post by TeeEm)
try this one which I have also stolen and changed into my resources ...

this is the original ...

I will pull my hair if somebody says "this question is from so and so ..."
I got -4 which seems suspect
I don't think I am thinking concretely enough (tired, probably not in mental/maths shape in general) for something so involved but it's a very interesting question.

edit: hang on I spotted an error
21. (Original post by 13 1 20 8 42)
I got -4 which seems suspect
I don't think I am thinking concretely enough (tired, probably not in mental/maths shape in general) for something so involved but it's a very interesting question.
do you want my adapted stolen version solution and then you can try yours
22. (Original post by TeeEm)
do you want my adapted stolen version solution and then you can try yours
I made a sign error, I do get 4 now
23. (Original post by 13 1 20 8 42)
I made a sign error, I do get 4 now
all good
24. UPDATE ON I.Y.G.B SPECIAL PAPERS

So far uploaded in my site

Paper Z (final draft)
Paper Z (solutions)

Paper Y (final draft)
Paper Y (solutions)

Paper X (draft)
Paper W (draft)

Note that until I write the solutions mark allocation may change

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