if A = {1,2} and B = {a,b} then A ∩ B = ?
Question
if A = {1,2} and B = {a,b} then A ∩ B = ?
Options
Option A
{1,2}
Option B
{}
Option C
{1,2,a,b}
Option D
{a,b}
Correct Option
Option B
Explanation
∩ refers to intersection of two or more sets meaning the common elements among them. In this case there is nothing common and hence intersection is empty set itself. So, the result is A ∩ B = {}.
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