Determinati functiile de gradul al doilea
Posted: Sat Mar 22, 2008 1:30 pm
Determinati functiile de gradul al doilea \( f(x)=ax^2+bx+c \), cu \( f(0) \in Z \) si care au proprietatile:
\( f({n+ \frac{1}{n}}) > n^2-n+1 \) si \( f({n+ \frac {n-1}{n}}) < n^2+n-1 \).
\( f({n+ \frac{1}{n}}) > n^2-n+1 \) si \( f({n+ \frac {n-1}{n}}) < n^2+n-1 \).