Resposta :
Resposta:
A= (X E N) - 1 < X < 12 )
B= (X E N) - 2 < X < 20 )
A= ( 2,3,4,5,6,7,8,9,10,11 )
B= ( 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 )
A⋂B = ( 3,4,5,6,7,8,9,10,11 )
Resposta:
A= (X E N) - 1 < X < 12 )
B= (X E N) - 2 < X < 20 )
A= ( 2,3,4,5,6,7,8,9,10,11 )
B= ( 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 )
A⋂B = ( 3,4,5,6,7,8,9,10,11 )