We have only been taught how to do single bracket expansions, so this is my first bracket one, so please can you tell me if Ive done anything wrong?
P.S I dont know how to use the factorial method so Im using pascal's triangle. If anyone has any helpful points on the factorial method, please tell me :DQuote:
Expand the following in ascending powers of up to and including the term
2) Multiply by first bracket:
Note: put in brackets to make it easier to read.
3) Put in order up to
I got the above answer, however the book's answers got and I cannot find the extra that I am missing
I am guessing the method that I used is correct or not? and how would this question be done using the and button on my calculator?
Thankyou very much!