Let p = {1, 2} and q = {1, 2, 3}. List all the elements in the set (p × q) ∩ (q × p)

Elementary Linear Algebra (MindTap Course List)
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Chapter4: Vector Spaces
Section4.4: Spanning Sets And Linear Independence
Problem 25E: Determine whether the set S={1,x2,2+x2} spans P2.
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Let p = {1, 2} and q = {1, 2, 3}.

List all the elements in the set (p × q) ∩ (q × p)

Expert Solution
Step 1

p = {1, 2} and q = {1, 2, 3}.

So, p × q = {(1,1), (1,2), (1,3), (2,1), (2,2), (2,3)}

&, q × p = {(1,1), (1,2), (2,1), (2,2), (3,1), (3,2)}

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