Question

Fie multimile : A ={1;2}, B ={2;3;4}. Determinati:

AxA=

AxB=

BxA=

BxB=


repede va rog

Answer 1

Răspuns:

Explicație pas cu pas:

A ={1;2}, B ={2;3;4}

AxA=  {(1, 1), (1,2), (2,1), (2,2)}

AxB=  {(1, 2), (1, 3), (1, 4), (2, 2), (2, 3), (2, 4)}

BxA=  {(2,1), (2, 2), (3, 1), (3, 2), (4, 1), (4,2)}

BxB = {(2,2), (2,3),(2,4), (3,2), (3, 3), (3, 4), (4,2), (4, 3), (4,4)}