Skip to main content

All Questions

Filter by
Sorted by
Tagged with
16 votes
2 answers
1k views

are these polynomials or rationals functions?

Let $x$ be a variable. Define the following family of sequences (reminiscent of Lucas polynomials) according to the rule: $P_0(x):=0, P_1(x):=1$ and for $n\geq2$ by $$P_n(x)=xP_{n-1}(x)-P_{n-2}(x).$$ ...
T. Amdeberhan's user avatar