Salut (◠‿◠)
➣Daca te-ai referit la [√n+√(n+2)]² ; n+2√[n×(n+2)]+n+2 ; n+2√(n²+2n)+n+2=2n+2√(n²+2n)+2
➣Daca te-ai referit la (√n+√n + 2)²=(2√n+2)²=4n+8√n+4
Multa Bafta!✿
▪︎jsksksksk