1. A = {3: 5:7) B = (8:9; 3) C=(3; 5; 7; 2; 9} Indica verdadero (V) o falso (F) según corresponda: 3 € A
3 € C. ( )
9 € B. ( )
{5} c A ( )
{3} c C. ( )
n(C) = 5 ( )
n(A) = 6. ( )
n(B) = 7. ( )
{ 8 ; 3} € B. ( )​