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# which modules/topics do you personally REALLY struggle with? watch

1. (Original post by shawtyb)
well that just confused me
Let's say you what to find the sum of the integers between and including 1 and 10 i.e. 1+2+3+...+10, this can be written as . There is a formula for computing this and other common sums.

It's a basic example but I've seen more complicated usages such as where it intersects with integration and it makes my head spin.
2. (Original post by Student403)
1+2+3+4+5 =

That's summation basically lol
ooh got it
3. (Original post by Kvothe the arcane)
Let's say you what to find the sum of the integers between and including 1 and 10 i.e. 1+2+3+...+10, this can be written as . There is a formula for computing this and other common sums.

It's a basic example but I've seen more complicated usages such as where it intersects with integration and it makes my head spin.
where did you get the 'r' from?
4. (Original post by shawtyb)
ooh got it
Close! 15
5. (Original post by Student403)
Close! 15
ffs hahaha
6. (Original post by shawtyb)
where did you get the 'r' from?
See this: http://www.mathcentre.ac.uk/resource...ntre/sigma.pdf.

It's a general term of the sequence. If I were adding square numbers, etc, then I'd have written instead.
7. (Original post by Kvothe the arcane)
See this: http://www.mathcentre.ac.uk/resource...ntre/sigma.pdf.

It's a general term of the sequence.
had a quick look and id rather avoid the headache so i clicked of it haha
8. In terms of Law, I struggle a lot with the commercial stuff
9. (Original post by AthiaKarim)
In terms of Law, I struggle a lot with the commercial stuff
like the law regarding advertising and shops and stuff?
10. (Original post by shawtyb)
like the law regarding advertising and shops and stuff?
Yeah, and contracts and all that silly stuff
11. (Original post by AthiaKarim)
Yeah, and contracts and all that silly stuff
is it all the apendix's and sub catogories that confuse u
12. (Original post by AthiaKarim)
In terms of Law, I struggle a lot with the commercial stuff
Ooh my mom is a commercial attorney
13. (Original post by Student403)
Ooh my mom is a commercial attorney
Is she? how does she enjoy it lol

14. (Original post by AthiaKarim)
Is she? how does she enjoy it lol

I think she has nice friends at work And her clients give her SO much nice stuff because she does stuff for a lot of big companies here
Spoiler:
Show
she actually once got a Rolex #justarabthings
15. For the life of me literature...

(Original post by Kvothe the arcane)
Integration and summation
Spoiler:
Show
Integration and summation is lyf
16. (Original post by Student403)
I think she has nice friends at work And her clients give her SO much nice stuff because she does stuff for a lot of big companies here
Spoiler:
Show
she actually once got a Rolex #justarabthings
OMG I WANT TO BE A COMMERCIAL LAWYER AND GET NICE THINGS TOO

Can she teach me how? 😂
17. (Original post by AthiaKarim)
OMG I WANT TO BE A COMMERCIAL LAWYER AND GET NICE THINGS TOO
You'll have to come over to the Middle East though I think
18. Maths. I can do the basics perfectly but anything beyond that is hard for me. I struggled with art because I can barely draw a stick man, let alone paint a masterpiece. I excelled in every other subject though pretty much.
19. (Original post by Student403)
You'll have to come over to the Middle East though I think
You live in the Middle East?
Can your mum pay for my flight?
20. (Original post by AthiaKarim)
You live in the Middle East?
Can your mum pay for my flight?
Yeah I think that's why the clients can afford to give away such things!

She isn't rich or anything though Actually her mom was very poor and emigrated from India :O

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