Chapter 1: Sets

Exercise

Question

Question: 1 (iv)

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Which of the following are examples of the null set

(iv) {y : y is a point common to any two parallel lines}

Answer

1
Determine whether there exists a common point between two parallel lines.
Answer: It is a null set.
Reason: Parallel lines never intersect. Therefore, they have no common point. Hence, no element satisfies the given condition.
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