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Last updated at March 29, 2023 by Teachoo
Example 6 State which of the following sets are finite or infinite (i) {x : x ∈ N and (x – 1) (x –2) = 0} (x – 1) (x – 2) = 0 ∴ x = 1,2 Given set = {1, 2}. Since the set has 2 elements (countable). Hence, it is finite. .