Question

produtos cortesianos.Sendo A={1,3} B={1,5 } C={2,3,5}
EFETUE=
a) C×A= B) B×C= D) B×B=
Me ajudem a resolver pliss

Answer 1

CxA = (2,3,5) x (1,3)
CxA =(2,1) , (2,3) , (3,1) , (3,3) , (5,1) , (5,3)

BxC = (1,5) x (2,3,5) 
BxC = (1,2) , (1,3) , (1,5) , (5,2) , (5,3) , (5,5)

BxB =  (1,5) x  (1,5) 
BxB = (1,1) , (1,5) , (5,1) , (5,5)