Question

Fie multimile A= {-$3^{2};(-3)^{2};3^{0};0^{3}$} si B= {-9;1;2}. Multimea A∩B= {...}

Answer 1

-3^2=-9
(-3)^2=9
3^0=1
0^3=0
=>A={-9, 0, 1, 9}
=> A∩B={-9, 1}