Question

If A = {1,2,3}, B = {a,b}. Find n( AXB)​

Answer 1

A = {1,2,3} n(A) = 3

B = {a,b} n(B) = 2

n(A×B) = 3×2 = 6.

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Answer 2

Answer:

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

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