Question

Let A = {1, 2, 3) and B ={x 9 x is a prime number less than 10) Find A x B and B x A
2) na 2/2 Find and B×A​

Answer 1

Step-by-step explanation:

A={1,2,3} and B={2,3,5,7}

then, A×B={(1,2),(1,3),(1,5),(1,7),(2,2),(2,3),(2,5),(2,7),(3,2),(3,3),(3,5),(3,7)}

B×A={(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(5,1),(5,2,(5,3),(7,1),(7,2),(7,3)}