Why (x+1/x)^k and x^k+1/x^k have the same span

→ Pay attention

*has extra registration

→ Top rated

→ Top contributors

View all →

→ Find user

→ Recent actions

Detailed →

Why (x+1/x)^k and x^k+1/x^k have the same span

Revision en2, by adamant, 2023-03-12 04:42:59

tutorial, cosinus, polynomials, chebyshev

Revisions

Rev.	By	When	Δ	Comment
en8	adamant	2023-03-12 21:11:47	0	(published)
en7	adamant	2023-03-12 21:11:39	13	(saved to drafts)
en6	adamant	2023-03-12 14:01:40	89
en5	adamant	2023-03-12 13:55:55	6437	(published)
en4	adamant	2023-03-12 05:01:57	1032	Tiny change: 'r even $k$' -> 'r even $k$, as it would be additionally divided by $2$.'
en3	adamant	2023-03-12 04:43:57	84	Tiny change: '.' -> 'Hi everyone!\n\n'
en2	adamant	2023-03-12 04:42:59	45
en1	adamant	2023-03-12 04:42:29	50	Initial revision (saved to drafts)