let-f-x-cos-1-x-1-calculate-f-n-x-2-developp-f-at-integr-serie-at-x-0-3-pi-

Question Number 64886 by mathmax by abdo last updated on 22/Jul/19

l e t f (x) = c o s (\frac{1}{x})

1) c a l c u l a t e f^{(n)} (x)

2) d e v e l o p p f a t i n t e g r s e r i e a t x_{0} = \frac{3}{π}