basic maths

please confirm the 1st one and tell me about the others

Attachment 24899

thank you in advance

- Sep 23rd 2012, 02:21 AMricardoccai cant find the name of this type of thing on google so i cant find help. (a+b)^n
basic maths

please confirm the 1st one and tell me about the others

Attachment 24899

thank you in advance - Sep 23rd 2012, 03:17 AMlupyRe: i cant find the name of this type of thing on google so i cant find help. (a+b)^n
search for 'polynomial expansion' for more help

- Sep 23rd 2012, 01:32 PMawkwardRe: i cant find the name of this type of thing on google so i cant find help. (a+b)^n
The expansion of $\displaystyle (a+b)^n$ is called the Binomial Theorem.