+0

0
64
1

Let

a_0=5

a_1=5

a_n=a_(n-1)+a_(n-2) for n>=2

There is a unique ordered pair (c,d)  such that $$c\phi^n + d\widehat{\phi}^n$$ is the closed form for sequence a_n .

Find c using the Fibonacci and Lucas number sequences.

Jun 22, 2021