Question

A ∩ B={5,7}
A U B={-3,-2,0,5,6,7,9}
A\B= {-2,9}
A=?
B=?
AxB=?

Urgent va rog, ofer 100 puncte

Answer 1

Răspuns:

A={-3,-2,0,5,6,7,9}

B={-3,0,5,6,7}

Answer 2

Explicație pas cu pas:

A={-2,9,5,7}

B={5,7,-3,0,6}

A×B={(-2,5);(-2,7);(-2,-3);(-2,0);(-2,6);(9,5);(9,7);(9,-3);(9,0);(9,6);(5,5);(5,7);(5,-3);(5,0);(5,6);(7,5);(7,7);(7,-3);(7,0);(7,6)}