Question

giúp em với ạ 

 

Answer 1

\(A=\left\{-2;-1;0;1;2\right\}\)

\(B=\varnothing\)

\(\Rightarrow A\cap B=\varnothing\) ; \(A\cup B=A=\left\{-2;-1;0;1;2\right\}\)

\(A\backslash B=A=\left\{-2;-1;0;1;2\right\}\)

\(B\backslash A=\varnothing\)