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Let be a set of all straight lines in a plane. The relation on defined as 'perpendicular to' is:
Let $L$ be a set of all straight lines in a plane. The relation $R$ on $L$ defined as 'perpendicular to' is:
- (a)Symmetric and Transitive
- (b)Transitive
- (c)Symmetric
- (d)Equivalence
Answer
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From ISC 2024 Mathematics Paper 1, question 1(i).