Question

11. If A x B = {p,q}, {p, r), (m,q), (m, r)}, then find A and B.​

Answer 1

Given:

A x B= {(p,q) ; (p,r) ;(m,q) ;( m,r)}

Since, if we multiply A xB then elements of A will be 1st and elements of B will be 2nd.

=> A= { p , m}. (Since, elements won't repeat)

B= {q , r}