UGC NET DEC 2026 | Computer Science | Unit 1 : Discrete Structures and Optimization-Class 3-Relation

Welcome to Class 3 of our Discrete Mathematics series for UGC NET Computer Science preparation.

In this lecture, we begin one of the most important topics in Discrete Mathematics—Relations. This topic is frequently asked in UGC NET Computer Science, GATE, university examinations, and technical interviews. We will understand the concept of relations from the basics and gradually move toward important properties and problem-solving techniques.

📚 Topics Covered:

✔ Introduction to Relations
✔ Cartesian Product and Relation
✔ Domain, Co-domain, and Range of a Relation
✔ Representation of Relations (Ordered Pairs, Matrix, Directed Graph)
✔ Types of Relations
✔ Reflexive Relation
✔ Irreflexive Relation
✔ Symmetric Relation
✔ Asymmetric Relation
✔ Antisymmetric Relation
✔ Transitive Relation
✔ Equivalence Relation (Introduction)
✔ Practice Questions and UGC NET Previous Year Questions

🎯 This lecture is useful for:
UGC NET Computer Science
NTA UGC NET Aspirants
GATE CSE
M.Sc. Computer Science Students
B.Sc. Computer Science Students
BCA / MCA Students
University Semester Examinations
Competitive Exams covering Discrete Mathematics

This course is designed to cover the complete UGC NET Computer Science syllabus with concept-based explanations, solved examples, previous year questions (PYQs), shortcut techniques, and exam-oriented strategies.

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