CBSE Class 12 Maths – Relations and Functions

The chapter covers types of relations (reflexive, symmetric, transitive, equivalence), equivalence classes, and types of functions (one-one, onto, and bijective functions).

To prove an equivalence relation, verify that the relation is reflexive (a R a for all a), symmetric (a R b implies b R a), and transitive (a R b and b R c imply a R c).

A function is bijective if it is both one-one (injective) and onto (surjective). Bijective functions establish a one-to-one correspondence between the domain and co-domain.

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