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# notnek(Offline)

## TSR Demigod

Last Activity 16 hours ago

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1. Felix Felicis
21-07-2013
Sorry! I was just randomly scrolling and managed to neg your post by mistake Will write myself a reminder to rep you again when I can
2. Prolite
20-06-2013
HAHAHA thanks for the joke!
3. laurawoods
24-05-2013
Hello, I am really confused with a particular aspect of integration. If you could help I would be very grateful, thanks.

You know when we do substitution and get everything in terms of 'u'... in the original question we have got the limits in terms of x and then need to find the corresponding u values, right?

But what I do not get is, what do we do when the corresponding 'u' values could take TWO values each instead of ONE.

For example, in this question that I am doing doing now, since there is a sqrt and hence the upper limit could technically be 6 or 2 and the bottom limit could technically be 5 or 3 . Which do we choose as our limits , in such a situation?
4. Dopey'
14-04-2013
Hi, is there any chance you could help me with the 2nd part please

In how many ways can a committee of four men and four women be seated in a row if
a) they can sit in any positions - which is 8!
b) no one is seated next to a person of the same sex? < I dont get this?
5. iamgreatness
18-03-2013
wwats tailiand like?
6. laurawoods
16-03-2013
hello u a teacher in a different country or here in the england? thanks
7. laurawoods
16-03-2013
ok cool thanks!
8. laurawoods
16-03-2013
hello there...pls can u add me as frnd ? u doing ur a levels currently?>
9. SeanGirder94
27-02-2013
are you able to complete those questions? thanks
10. keromedic
18-11-2012
Same, I'm British (from London). I grew up in Trinidad though (between 7-14).

Name
Mike
Occupation
Maths teacher
Star Sign
Pisces
MMath from University of Nottingham

A levels:

Maths - A
Further Maths - A
Physics - B
Extras

#### General Information

• Last Activity 16 hours ago
• Join Date 11-02-2006

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Location London

Join Date 11-02-2006

Total Posts 5,741

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