- #1
ehrenfest
- 2,020
- 1
Homework Statement
When I type
into mathematica 6 why does it give meRSolve[{a[n] == a[n - 1] + a[n - 2], a[1] == 1 && a[2] == 1}, a[n], n]
and not just{{a[n] -> Fibonacci[n] - C[2] Fibonacci[n] + C[2] LucasL[n]}}
?{{a[n] -> Fibonacci[n] }}