Question

Fie A=[-3,7) B=(0, 9]
A u B=
A intersectat B=
A intersectat Z=
B intersectat N=
COROANA ​

Answer 1

Explicație pas cu pas:

A={-3, -2,-1, 0,1,2,3,4,5,6}

B={1,2,3,4,5,6,7,8}

A U B={-3,-2,-1,0,1,2,3,4,5,6,7,8}

A inters. B ={1,2,3,4,5,6}

A inters. Z= {-3,-2,-1,-0,1,2,3,4,5,6}

B inters. N={1,2,3,4,5,6,7,8}