# A4
- Mathematische Definition 
    - 5+8n+13n^2 <= 5n^2 + 8n^2 + 13n^2 = 26n^2 
- Grenzwertbetrachtung 
    - lim n-> inf (5+8n+13n^2)/n^2 = lim n-> inf ((5/n^2)+(8/n)+13)/1 = 13
- Methode der 7 Worte
    - 5+8n+13n^2

# A5 
## a)
4+3+2+1 = 10

## b) 
Sig 1..n-1 ((n-1)n)/2

## c)
O(n^2)