Question

Creative
1. Let A = {1,2,3} and B = {a,b} then B
(1) {(1, a),(1,b), (2, a),(2, b)}
(3){(a, b),(a, 2), (6, 1), (b, 2)}
2. n(A) = 3 and n(B) = 4 then n(B X A
(1) 5
(2) 7
3. Real numbers R is defined as follows
(1) N UW (2) QUQ'
4. A = {1,2} and B = {1,2} then geomet
(1) a rectangle (2) a sauare​

Answer 1

Answer:

1.A={1,2,3}

B={a,b}

A×B={(1,a),(2,a),(3,a),(1,b),(2,b),(3,b)}.

{(1,a),(3,b),(2,a,)(2,b)}⊂A×B

{(1,b),(2,a),(3,a)}⊂A×B

{(1,a),(2,b)}⊂A×B

Step-by-step explanation:

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