Question

17. If A = 2 2 1 -2 1 2 1 -2 2 and B = - 1 3 2 1 1 1 2 -3-1 Verify that (AB)-1 = B-1 A-1​

Answer 1

Answer:

hey your answer is explained

Step-by-step explanation:

A={1,2} B={1,3}

(A×B)={(1,1),(1,3),(2,1),(2,3)}

(B×A)={(1,1),(1,2),(3,1),(3,2)}

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