Question

Buna, Brainly !
Ma puteti ajuta cu un exercitiu, la matematica ( algebra ) ?
Va multumesc !

Answer 1

$\frac{ n^{2} + n+4 }{n+1} = \frac{n(n+1)+4}{n+1}= \frac{n(n+1)}{n+1} + \frac{4}{n+1}= \frac{n}{1} + \frac{4}{n+1} =\ \textgreater \ n+1$∈$4$, n+1 ∈ D4 ....