Example 6 (iii) - Chapter 1 Class 11 Sets
Last updated at April 16, 2024 by Teachoo
Examples
Example 1
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Chapter 1 Class 11 Sets
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Example 6 State which of the following sets are finite or infinite (iii) {x : x ∈ N and 2x –1 = 0} 2x – 1 = 0 x = 1/2 But x should be a natural number i.e. 1, 2, 3, 4, 5… It cannot be fraction. Thus, the given set has no elements. ∴ Given set = φ (Null set) Since the number of elements of a null set is 0, , the set is finite.
