The problem I have is that I have to find a function from the power series:(adsbygoogle = window.adsbygoogle || []).push({});

f(x)=sigma (from n=0 to infinite) (cn)x^n ... where in cn the n is subscript

and then the statement is given cn+4=cn ... where again n+4 and n are subscripts.

then they tell you to suppose a=c0, b=c1, c=c2, d=c3, and you have to write an equation for f(x) using just a,b,c,d. Now I think i understand when n=4, c4=c0, so then a=c4, so it would look something like this:

f(x)=a+bx^1+cx^2+dx^3+ax^4+bx^5+.... but is there anyway to get a definite answer to this series?

Any help would be appreciated. thank you very much.

bill

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# Homework Help: Function of a power series

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