Question

Am nevoie de ajutor va rog frumos. Dau coroana​

Answer 1

$A =\Big\{x\in \mathbb{Z}\,|\,x\geq -1\Big\}\\ B = \Big\{x\in \mathbb{Z}^*|\,\big|x\big|\leq 2\Big\}\Rightarrow -2\leq x\leq 2 \\ \\ \\ A = \{-1,0,1,2,3,4,.....\} \\ B = \{-2,-1,0,1,2\}\,\backslash\,\{0\} = \{-2,-1,1,2\} \\ \\ \\ \Rightarrow \boxed{A\cap B =\{-1,0,1,2\}}$