Question

Salut! Clasa a 9a, exercitii cu partea intreaga. Multumesc!
(Paranteza patrata semnifica partea intreaga)

1. Calculati:
[ $\sqrt{n^2+3n+1}$ ]

2. Rezolvati ecuatia: (x∈|R)
$[\frac{x+1}{2} ]=\frac{2x+1}{5}$

Answer 1

.....................................................