http://img10.imageshack.us/img10/1586/mathsw.jpg

http://img19.imageshack.us/img19/3176/maths2.jpg

Can anyone help me with the above problems?

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- March 5th 2009, 01:42 PMiain3915Properties of groups
http://img10.imageshack.us/img10/1586/mathsw.jpg

http://img19.imageshack.us/img19/3176/maths2.jpg

Can anyone help me with the above problems? - March 5th 2009, 05:13 PMkalagota
3)

6) this has been proven many times here.. but anyways,

let and assume . show .

suppose ..

and continue....

if

.... - March 5th 2009, 05:31 PMiain3915
Thanks for the reply.

I think the equation in 3 needs multiply signs though. - March 5th 2009, 05:53 PMkalagota
multiple signs? what the do you mean?

- March 5th 2009, 05:58 PMiain3915
Because (a^m)^n does not equal a^m+a^m+a^m+a^m n times

- March 5th 2009, 05:59 PMkalagota
ahh... yeah.. i mean, ... that should be it.. sorry for that..

and, all you have to do is to remove that + signs..

but anyways, if i assume that the operator is denoted by +, everything should be fine.. it is just a matter of how you denote your operator.. - March 5th 2009, 06:02 PMiain3915
Do you know of an alternative way of doing these proofs without using all the n times sort of things?

It seems a bit ambiguous as it is. - March 5th 2009, 06:05 PMkalagota
it's the best proof and you will see that proof in many references.. (and i can't think of another for now..)

have you read my notes in the previous post? i edited it..