Question

find a power series representation for the function f(x)=4+x/1-x

Answer 1

\[f(x) = 4 +\frac{x}{1-x}\] right?

Answer 2

No? ok.

Answer 3

it has to be, what question has x/1

Answer 4

its \[f(x)=\frac{ 4+x }{ 1-x }\]

Answer 5

\[f(x) = (4+x )*\frac{1}{1-x}=(4+x)\sum_0^k x^k\],
Dat sit

Answer 6

if you want, you can open the sum to get the "power series" form. Same !!

Answer 7

sorry, the letter above sum is infinitive, not k