Let f = ∑ n = 0 ∞ a n x n {\displaystyle {}f=\sum _{n=0}^{\infty }a_{n}x^{n}} denote a power series which converges on ] − r , r [ {\displaystyle {}]-r,r[} .
converges also on ] − r , r [ {\displaystyle {}]-r,r[} , and represents a primitive function
denote a
power series
which
converges
on ![{\displaystyle {}]-r,r[}](https://wikimedia.org/api/rest_v1/media/math/render/svg/be92ec31de8ca4b998ea7227b7b3b5c363713765)
.
, and represents a
primitive function
