Question

find generating function for sequence 1,1,0,1,1,1,1........

Answer 1

it's \[(1+x)+\frac{x^3}{1-x}\]

Answer 2

you must multiply and get the whole thing as \[\frac{x^3-x^2+1}{1-x}\]
I think you understand what I mean

Answer 3

iam very young at heart