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Relations and Functions
Relations and Functions — JEE Questions, Notes & Weightage
Class 11 & 12 Sets & Functions NEET weightage: Medium 588 questions
Class 11 covers relations, types of functions (one-one, onto, into), and domain/range; Class 12 builds on this with relation properties (reflexive, symmetric, transitive, equivalence) and composite/invertible functions. Domain-and-range numericals and equivalence-relation checks are this chapter's most frequent JEE question types.
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Frequently asked questions
What is the most common JEE question type here?
Finding the domain and range of a given function, and checking whether a given relation is an equivalence relation, are the most frequently repeated question formats across both classes' versions of this chapter.
Is this chapter foundational for later topics?
Yes — function classification (one-one, onto) and domain/range reasoning is assumed knowledge throughout Class 12 Calculus.