Question

A=B={p,q} then find A×B and A×A​

Answer 1

Step-by-step explanation:

Given sets are A=B={p,q}

A×B={p,q}×{p,q}

A×B={(p,p),(p,q),(q,p),(q,q)}------(1)

A×A={p,q}×{p,q}

A×A={(p,p),(p,q),(q,p),(q,q)}-------(2)

from (1)&(2)

A×B=A×A

since A and B sets are equal sets .