Dear Students,

From this section you can download / view Video Lectures on all subjects for all 6th, 7th, 8th, 9th and 10th classes/grades free of cost. The Videos for class 9th and 10th classes are prepared by SABAK Foundation for the ease of students as per new and updated syllabus/course prescribed by Federal Board of Intermediate & Secondary Education (FBISE), Islamabad – Pakistan and other BISE(s)/Boards of Pakistan and Directorate of Education, Islamabad – Pakistan. We are fully hopeful that after after watching/viewing these Video Lectures you will score 90% plus marks in your exams as they have been prepared in a very simple, easy, brief and in simple and lucid language to understand. For any queries you can contact us. We recommend you to like our Facebook Fan page for latest updates and new posts. You can also get our latest posts via Email directly in your Email Inbox by clicking here.

## Chapter 5: Sets and Functions (114 videos)

### 5.1: Sets

**Set Definition****Set Notation & its Characteristics****Presentation of a Set****Problem 1: Presentation of a Set****Empty Set & Singleton Set****Problem 1: Empty Set & Singleton Set****Finite & Infinite Set****Problem 1: Finite & Infinite Set****Subset Definition****Problem 1: Subset Definition****Proper Subset & Improper Subset****Problem 1: Proper Subset & Improper Subset****Properties of Subset****Problem 1: Properties of Subset****Power Set****Problem 1: Power Set****Equal & Equivalent Sets****Problem 1: Equal & Equivalent Sets****Union of Two Sets****Problem 1: Union of Two Sets****Intersection of Set****Problem 1: Intersection of Set****Difference of Sets****Problem 1: Difference of Sets****Universal Set****Complement of a Set****Problem 1: Complement of a Set****Definition of One to One Correspondence****Disjoint Set****Overlapping Sets****Definition & Notation of Some Important Sets****Set Builder Notation****Associative Property of Union of Sets****Problem 1: Associative Property of Union of Sets****Associative Property of Intersection of Sets****Problem 1: Associative Property of Intersection of Sets****Distributive Property of Union Over Intersection****Problem 1: Distributive Property of Union Over Intersection****Demorgan Law 1****Problem 1: Demorgan Law 1****Demorgan Law 2****Problem 1: Demorgan Law 2****Introduction to Venn Diagrams****Problem 1: Introduction to Venn Diagrams****Commutative Law of Union of Sets****Problem 1: Commutative Law of Union of Sets****Commutative Law of Intersection of Sets****Problem 1: Commutative Law of Intersection of Sets****Intersection Associativity for Overlapping Sets****Problem 1: Intersection Associativity for Overlapping Sets****Intersection Associativity for Disjoint Sets****Problem 1: Intersection Associativity for Disjoint Sets****Intersection Associativity for Sets****Problem 1: Intersection Associativity for Sets****More on Intersection Associativity for Sets****Problem 1: More on Intersection Associativity for Sets****Union Associativity for Overlapping Sets****Problem 1: Union Associativity for Overlapping Sets****Union Associativity for Disjoint Sets****Problem 1: Union Associativity for Disjoint Sets****Union Associativity for Sets****Problem 1: Union Associativity for Sets****More on Union Associativity for Set****Problem 1: More on Union Associativity for Set****Distributivity of Union Over Intersection of Sets****Problem 1: Distributivity of Union Over Intersection of Sets****Distributivity of Intersection Over Union of Sets****Problem 1: Distributivity of Intersection Over Union of Sets****Difference of Sets for Overlapping Sets****Problem 1: Difference of Sets for Overlapping Sets****Difference of Sets for Disjoint Sets****Problem 1: Difference of Sets for Disjoint Sets****Difference of Sets for a Set & its Subset****Problem 1: Difference of Sets for a Set & its Subset****Complement of Union for Overlapping Sets****Problem 1: Complement of Union for Overlapping Sets****Complement of Intersection for Overlapping Sets****Problem 1: Complement of Intersection for Overlapping Sets****Complement of Intersection for Disjoint Sets****Problem 1: Complement of Intersection for Disjoint Sets****Complement of Union for Disjoint Sets****Problem 1: Complement of Union for Disjoint Sets****Complement of Union for Set & its Subset****Problem 1: Complement of Union for Set & its Subset****Complement of Intersection for Set & its Subset****Problem 1: Complement of Intersection for Set & its Subset****Demorgans Law for Overlapping Sets****Problem 1: Demorgans Law for Overlapping Sets****Demorgans Law for Disjoint Sets****Problem 1: Demorgans Law for Disjoint Sets****Demorgans Law for Set & its Subset****Problem 1: Demorgans Law for Set & its Subset****Introduction to Ordered Pairs****Cartesian Product of Sets****Problem 1: Cartesian Product of Sets****Cartesian Coordinate System & Cartesian Plane****Problem 1: Cartesian Coordinate System & Cartesian Plane**

### 5.2: Binary Relation

**Introduction to Binary Relation****Problem 1: Introduction to Binary Relation****Domain & Range of Binary Relation****Problem 1: Domain & Range of Binary Relation**

### 5.3: Function or Mapping

**Introduction to Function****Problem 1: Introduction to Function****Into Function****Problem 1: Into Function****Onto Function****Problem 1: Onto Function****One to One Function****Problem 1: One to One Function****Bijective Function****Problem 1: Bijective Function****Injective Function****Problem 1: Injective Function****One-One Function**