Question

class 10 th
find A×B ,A×A and B×A
I)A={2,-2,3} and B ={1,-4}​

Answer 1

Step-by-step explanation:

A={2,-2,3} and B ={1,-4}

A×B = {(2,1),(2,-4),(-2,1),(-2,-4),(3,1),(3,-4)}

A×A = {(2,2),(2,-2),(2,3),(-2,-2),(-2,3),(-2,2),(3,2),(3,-2),(3,3)}

B×A = {(1,2),(1,-2),(1,3),(-4,2),(-4,-2),(-4,3)}