#Class9Maths #Unit3Maths #DeMorgansLaw Time Stamps 00:00 Introduction 00:22 1st De Morgan's Law 09:31 2nd De Morgan's Law In this video, we solve Class 9 New Maths Unit 3 Review Exercise Question 7 based on De Morgan’s Laws. This question explains the properties of sets using complement, union, intersection, and Venn diagrams in an easy step-by-step method. Helpful for board exam preparation, concept revision, and quick understanding of set theory. 📘 Topic covered: De Morgan’s Laws Complement of sets Union & Intersection Class 9 Mathematics Unit 3 (Sets) For more videos of unit 3 please visit: • Class 9 Maths Unit 3 Sets and Functions #Class9Maths #Unit3Maths #DeMorgansLaws #SetTheory #ReviewExerciseQ7 #NewMathsClass9 #MathsForBeginners #BoardExamPreparation #MathsRevision #Class9NewSyllabus