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प्रश्न
State whether the following set are finite or infinite.
{x ∈ N : x is a rational number}
बेरीज
उत्तर
E = {x ∈ N : x is a rational number}
E = {1, 2, 3, 4, 5, 6, …………..}
Every integer is a rational number.
∴ E is an infinite set.
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