haha it's ok ... ill see the questions now ... abt c (ii) look at the numbers all are odd ... in the first formula given look at the numbers both even & odd... in the second formula we have the even formula so now how do we get the odd formula from those 2 given formulas simple the formula of all the numbers together - the formula of the even numbers = formula of the odd number ?? so u got it give me sometime & ill help u in the others
hello,
thanks for the explanation but what I do not really understand is why did he used the forumla of queston (C)(ii) not that in the top of the question as I think it also gives both the odd and even no.
what do you think ??