Question

A = { x/x IN; 5 < x < 10 } y B = { x/x IN; 8 < x < 12 } Halla: A - B y A U B

Answer 1

Explicación:

A={x/x IN, 5 < x < 10}. B ={x/x IN, 8 < x <12}

A={6,7,8,9}

B={9,10,11}

A U B={7,8,9,10,11}

A - B={6,7,8}