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### Lecture 1: Relations and functions

01:22:10

Published    09-Jan-2019      Bilingual

## RELATIONS AND FUNCTIONS - MATHEMATICS CBSE CLASS 11TH

Study Khazana delivers CBSE Class 11th Maths, one video lectures on Relations and Function with complete solutions using sample paper based on NCERT Syllabus. This chapter covers the following topic to make students understand the topic and covers the whole chapter with all the question and answers.

## WHAT DO YOU STUDY IN RELATIONS AND FUNCTIONS?

• Ordered pairs 1
• Cartesian product of sets
• Number of elements in the Cartesian product of two finite sets
• Cartesian product of the sets of real (up to R × R)
• Definition of – Relation, Pictorial diagrams, Domain, Co-domain, Range of a relation
• Function as a special kind of relation from one set to another
• Pictorial representation of a function, domain, co-domain and range of a function
• Real valued functions, domain and range of these functions –Constant, Identity, Polynomial, Rational, Modulus, Signum, Exponential, Logarithmic, Greatest integer functions (with their graphs)
• Sum, difference, product and quotients of functions.

## HOW WE HELP THE STUDENTS???

These video lectures will make the subject easy for students. The free lecture is available as a demo. We provide mock exams after completion of the full course. These lectures are recording of the live session taken. It will include question and answers of the students undertaken during the class. CBSE Class 11th previous question papers and sample papers are also given to the students for practice. Video Lectures classes are taken by Study Khazana’s best faculties. Video lectures contain examples and formulas related to different topics. We have doubt sessions on YouTube related to students queries asked on WhatsApp. These classes are based on NCERT Syllabus.

#### Gurpreet Singh

 Phone: 09********90 Email: gse********@gmail.com Address: B-253A Street No -3 Majis Park Adarsh Nagar Delhi -110033 Institute: G.S Education

Teaching from last 19 years