write down the expansion of (1+x-x^2)^6 in Ascending other please show full working!

2 answers

I'll let you read up on trinomial expansions, and just refer you here:

http://www.wolframalpha.com/input/?i=%281%2Bx-x^2%29^6

scroll down a bit to see the full expanded form.

This web site is a good place to play around and explore various math topics, play around with functions, etc.
wow thanks sir